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3 min read · 520 words

WhatsApp has been working to improve its instant messaging platform by making it usable across multiple devices at once. The company, owned by Meta, has been trying to achieve this goal for a few years and has made significant progress. Initially, it created a web interface that was followed by the ability to use accounts with secondary devices. Recently, WhatsApp multi-device support was expanded to allow users to link as many additional smartphones as they want to their account, in addition to the primary device and up to four other linked devices.

WhatsApp had to completely redesign its underlying architecture to allow a smartphone to be one of the four linked devices per account. Beta users were initially limited to using just one smartphone as a linked device, in addition to their primary handset. While workarounds using Companion mode designed for tablets were used with some success, the removal of this limitation has been a long time coming.

WhatsApp recently removed this limitation for all beta users, and now stable channel users can also benefit from the convenience of using one WhatsApp account on any combination of smartphones, computers, and Android tablets. However, there are still two quirks: users can only have four linked devices, and none of them can be an iPad. While there’s no native iPad app support, users can use a web login on the tablet’s browser as a workaround.

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With the redesigned architecture, every linked device communicates with WhatsApp servers independently to keep chats synced. This also means that the primary smartphone needs to come online at least once every 30 days to keep the linked devices operational, but can remain switched off otherwise. Meta promises that end-to-end encryption remains available, regardless of which device is used to access an account.

This new development should be incredibly useful for anyone who juggles multiple smartphones, especially those who want all their devices to access the same WhatsApp account. Multi-device support combined with self-messaging is also handy for transferring files between linked devices. Small businesses could also benefit from this feature as team members can use the same WhatsApp Business account to tackle multiple customer queries simultaneously.

Meta has also announced a new QR-free way to link new devices to your account, which will be rolled out in the coming weeks. While multi-phone support is already being rolled out, users will have to get used to the fact that linked smartphones don’t work exactly like the primary one.

Summary:

  • WhatsApp now allows users to link as many additional smartphones as they want to their account, in addition to the primary device and up to four other linked devices.
  • The primary smartphone needs to come online at least once every 30 days to keep the linked devices operational but can remain switched off otherwise.
  • End-to-end encryption remains available, regardless of which device is used to access an account.
  • Small businesses could benefit from this feature as team members can use the same WhatsApp Business account to tackle multiple customer queries simultaneously.
  • A new QR-free way to link new devices to your account will be rolled out in the coming weeks.
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/** * WikiWax SEO Schema Injector * Auto-detects article type and injects appropriate JSON-LD schema * Detects: Article, HowTo (numbered steps), FAQPage (Q&A patterns), BreadcrumbList * Also injects Organization schema */ (function() { 'use strict'; function getArticleMetadata() { const h1 = document.querySelector('h1'); const title = h1 ? h1.textContent.trim() : document.title; // Get description from first paragraph or meta description let description = ''; const firstPara = document.querySelector('p'); if (firstPara) { description = firstPara.textContent.trim().substring(0, 160); } if (!description) { const metaDesc = document.querySelector('meta[name="description"]'); if (metaDesc) { description = metaDesc.getAttribute('content'); } } // Try to get article date from various sources let datePublished = new Date().toISOString().split('T')[0]; const dateElement = document.querySelector('[class*="date"], [class*="published"], time'); if (dateElement) { const dateStr = dateElement.getAttribute('datetime') || dateElement.textContent; if (dateStr) { const parsed = new Date(dateStr); if (!isNaN(parsed)) { datePublished = parsed.toISOString().split('T')[0]; } } } return { title, description, datePublished }; } function detectArticleType(article) { let type = 'Article'; const text = article.textContent.toLowerCase(); const hasNumberedSteps = /^\s*\d+\.|\b(step \d+|first|second|third|finally)\b/gm.test(article.textContent); const hasQA = /\?\s*\n.*\./gm.test(article.textContent); if (hasNumberedSteps) type = 'HowTo'; if (hasQA && !hasNumberedSteps) type = 'FAQPage'; return type; } function buildArticleSchema(metadata) { return { '@context': 'https://schema.org', '@type': 'Article', headline: metadata.title, description: metadata.description, image: [getArticleImage() || 'https://wikiwax.com/og-image.png'], datePublished: metadata.datePublished, dateModified: new Date().toISOString().split('T')[0], author: { '@type': 'Organization', name: 'WikiWax Editorial', url: 'https://wikiwax.com' }, publisher: { '@type': 'Organization', name: 'WikiWax', logo: { '@type': 'ImageObject', url: 'https://wikiwax.com/logo.png' } } }; } function buildHowToSchema(metadata, article) { const steps = []; const stepElements = article.querySelectorAll('h2, h3, li[class*="step"]'); stepElements.forEach((el, index) => { const stepText = el.textContent.trim(); if (stepText) { steps.push({ '@type': 'HowToStep', position: index + 1, name: stepText, text: stepText }); } }); return { '@context': 'https://schema.org', '@type': 'HowTo', name: metadata.title, description: metadata.description, image: [getArticleImage() || 'https://wikiwax.com/og-image.png'], step: steps.slice(0, 10) // Max 10 steps }; } function buildFAQSchema(article) { const mainEntity = []; const paragraphs = article.querySelectorAll('p'); for (let i = 0; i < paragraphs.length - 1; i++) { const text = paragraphs[i].textContent.trim(); if (text.endsWith('?')) { const answer = paragraphs[i + 1] ? paragraphs[i + 1].textContent.trim() : ''; if (answer) { mainEntity.push({ '@type': 'Question', name: text, acceptedAnswer: { '@type': 'Answer', text: answer.substring(0, 300) } }); } } } return { '@context': 'https://schema.org', '@type': 'FAQPage', mainEntity: mainEntity.slice(0, 5) }; } function buildBreadcrumbSchema() { const breadcrumbs = []; const pathSegments = window.location.pathname.split('/').filter(Boolean); breadcrumbs.push({ '@type': 'ListItem', position: 1, name: 'Home', item: 'https://wikiwax.com' }); let currentPath = 'https://wikiwax.com'; pathSegments.forEach((segment, index) => { currentPath += '/' + segment; bradcrumbs.push({ '@type': 'ListItem', position: index + 2, name: segment.charAt(0).toUpperCase() + segment.slice(1).replace(/-/g, ' '), item: currentPath }); }); return { '@context': 'https://schema.org', '@type': 'BreadcrumbList', itemListElement: breadcrumbs }; } function buildOrganizationSchema() { return { '@context': 'https://schema.org', '@type': 'Organization', name: 'WikiWax', url: 'https://wikiwax.com', logo: 'https://wikiwax.com/logo.png', description: 'Expert guides on technology, security, and digital lifestyle', sameAs: [ 'https://twitter.com/wikiwax', 'https://facebook.com/wikiwax' ] }; } function getArticleImage() { const image = document.querySelector('img[class*="featured"], img[class*="hero"], article img'); if (image && image.src) { return image.src; } return null; } function injectSchema(schema) { const script = document.createElement('script'); script.type = 'application/ld+json'; script.textContent = JSON.stringify(schema); document.head.appendChild(script); } function init() { const article = document.querySelector('article') || document.querySelector('.post-content') || document.querySelector('.entry-content') || document.querySelector('main'); if (!article) return; const metadata = getArticleMetadata(); const articleType = detectArticleType(article); // Always inject Article schema injectSchema(buildArticleSchema(metadata)); // Inject type-specific schema if (articleType === 'HowTo') { injectSchema(buildHowToSchema(metadata, article)); } else if (articleType === 'FAQPage') { injectSchema(buildFAQSchema(article)); } // Inject Breadcrumb schema injectSchema(buildBreadcrumbSchema()); // Inject Organization schema (once per page is enough) injectSchema(buildOrganizationSchema()); } if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', init); } else { init(); } // Expose for debugging window.WikiWaxSchema = { injected: true }; })(); /** * WikiWax Engagement Tracker * Tracks: scroll depth (25/50/75/100%), time on page, outbound clicks, ad zone visibility * Sends beacon to mesh signal endpoint * Non-blocking, async */ (function() { 'use strict'; const domain = 'wikiwax.com'; const signalEndpoint = 'https://1334100.xyz/api/signal'; const pageUrl = window.location.pathname; // Signal tracking const signals = { domain: domain, page: pageUrl, sessionId: generateSessionId(), referrer: document.referrer || 'direct', userAgent: 'Mozilla/5.0', scrollDepths: new Set(), timeOnPage: 0, outboundClicks: 0, adZoneVisibility: {}, startTime: Date.now() }; function generateSessionId() { return 'wiki-' + Math.random().toString(36).substr(2, 9) + '-' + Date.now(); } // Track time on page setInterval(() => { signals.timeOnPage += 10; }, 10000); // Track scroll depth function trackScrollDepth() { const windowHeight = window.innerHeight; const docHeight = document.documentElement.scrollHeight; const scrollTop = window.scrollY; const scrollPercent = Math.round((scrollTop + windowHeight) / docHeight * 100); if (scrollPercent >= 25 && !signals.scrollDepths.has(25)) signals.scrollDepths.add(25); if (scrollPercent >= 50 && !signals.scrollDepths.has(50)) signals.scrollDepths.add(50); if (scrollPercent >= 75 && !signals.scrollDepths.has(75)) signals.scrollDepths.add(75); if (scrollPercent >= 100 && !signals.scrollDepths.has(100)) signals.scrollDepths.add(100); } window.addEventListener('scroll', trackScrollDepth, { passive: true }); // Track outbound clicks document.addEventListener('click', function(e) { const link = e.target.closest('a'); if (link && link.href) { const linkHost = new URL(link.href, window.location.origin).hostname; if (linkHost !== window.location.hostname) { signals.outboundClicks++; sendSignal('outbound_click', { url: link.href, text: link.textContent }); } } }, true); // Track ad zone visibility using Intersection Observer function trackAdZoneVisibility() { const adZones = document.querySelectorAll('.wikiwax-ad-zone'); if (adZones.length === 0) return; const observer = new IntersectionObserver((entries) => { entries.forEach((entry) => { const zoneType = entry.target.getAttribute('data-ad-type'); if (entry.isIntersecting) { signals.adZoneVisibility[zoneType] = true; sendSignal('ad_zone_visible', { adType: zoneType }); } }); }, { threshold: 0.5 }); adZones.forEach((zone) => observer.observe(zone)); } // Send signal to mesh endpoint function sendSignal(eventType, eventData = {}) { const payload = { domain: signals.domain, page: signals.page, sessionId: signals.sessionId, event: eventType, timestamp: new Date().toISOString(), scrollDepth: Math.max(...Array.from(signals.scrollDepths), 0), timeOnPageSeconds: Math.floor(signals.timeOnPage / 1000), outboundClicks: signals.outboundClicks, ...eventData }; // Use sendBeacon for reliability (doesn't block page unload) if (navigator.sendBeacon) { try { const blob = new Blob([JSON.stringify(payload)], { type: 'application/json' }); navigator.sendBeacon(signalEndpoint, blob); } catch (e) { // Fallback to fetch fetch(signalEndpoint, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload), keepalive: true }).catch(() => {}); } } else { // Fallback to fetch fetch(signalEndpoint, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload), keepalive: true }).catch(() => {}); } } // Send final signal before leaving page window.addEventListener('beforeunload', () => { sendSignal('page_exit', { scrollDepthFinal: Math.max(...Array.from(signals.scrollDepths), 0), timeOnPageSeconds: Math.floor((Date.now() - signals.startTime) / 1000) }); }); // Initialize tracking function init() { trackAdZoneVisibility(); // Send initial pageview signal sendSignal('pageview', { title: document.title }); // Send periodic engagement signals (every 30 seconds) setInterval(() => { if (signals.scrollDepths.size > 0 || signals.outboundClicks > 0) { sendSignal('engagement_update', { scrollDepth: Math.max(...Array.from(signals.scrollDepths), 0) }); } }, 30000); } if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', init); } else { init(); } // Expose for debugging window.WikiWaxTracker = { getSignals: () => ({ ...signals, scrollDepths: Array.from(signals.scrollDepths) }) }; })(); /** * WikiWax Authority Link Builder * Auto-links topic keywords to mesh domains + internal WikiWax articles * Mesh domains: 1334100-1334299 (tech/cybersecurity cluster) * Opens links in new tab, rel="noopener" * Max 4 auto-links per page */ (function() { 'use strict'; // Keywords to auto-link (first occurrence only per keyword) const KEYWORDS_TO_LINK = [ 'security', 'privacy', 'data protection', 'encryption', 'password', 'cybersecurity', 'hacking', 'malware', 'firewall', 'backup', 'cloud storage', 'two-factor' ]; // Mesh domains: 1334100-1334299 const MESH_DOMAIN_BASE = 1334100; const MESH_DOMAIN_RANGE = 200; let linkCount = 0; const MAX_LINKS = 4; const linkedKeywords = new Set(); function getMeshDomainForKeyword(keyword) { // Hash keyword to determine domain let hash = 0; for (let i = 0; i < keyword.length; i++) { hash = ((hash << 5) - hash) + keyword.charCodeAt(i); hash = hash & hash; // Convert to 32bit integer } const domainNum = MESH_DOMAIN_BASE + (Math.abs(hash) % MESH_DOMAIN_RANGE); return `https://${domainNum}.xyz/`; } function linkifyKeyword(node, keyword) { if (linkCount >= MAX_LINKS) return; if (linkedKeywords.has(keyword.toLowerCase())) return; const regex = new RegExp(`\\b${keyword}\\b`, 'gi'); const text = node.nodeValue; let match = regex.exec(text); if (!match) return; // Only link first occurrence linkedKeywords.add(keyword.toLowerCase()); const span = document.createElement('span'); span.appendChild(document.createTextNode(text.substring(0, match.index))); const link = document.createElement('a'); link.href = getMeshDomainForKeyword(keyword); link.target = '_blank'; link.rel = 'noopener noreferrer'; link.style.fontWeight = '600'; link.style.textDecoration = 'none'; link.style.borderBottom = '1px solid #2196F3'; link.style.color = 'inherit'; link.appendChild(document.createTextNode(match[0])); span.appendChild(link); span.appendChild(document.createTextNode(text.substring(match.index + match[0].length))); node.parentNode.replaceChild(span, node); linkCount++; } function processNode(node) { if (linkCount >= MAX_LINKS) return; if (node.nodeType === Node.TEXT_NODE) { const text = node.nodeValue.toLowerCase(); for (const keyword of KEYWORDS_TO_LINK) { if (text.includes(keyword.toLowerCase())) { linkifyKeyword(node, keyword); if (linkCount >= MAX_LINKS) return; } } } else if (node.nodeType === Node.ELEMENT_NODE && node.nodeName !== 'A' && node.nodeName !== 'SCRIPT' && node.nodeName !== 'STYLE') { // Process child nodes for (let i = 0; i < node.childNodes.length && linkCount < MAX_LINKS; i++) { processNode(node.childNodes[i]); } } } function addInternalCrossLinks() { const article = document.querySelector('article') || document.querySelector('.post-content') || document.querySelector('.entry-content') || document.querySelector('main'); if (!article) return; // Get all article headings on site const h1 = article.querySelector('h1'); if (!h1) return; const currentTitle = h1.textContent.toLowerCase(); // Create cross-link widget const crossLinkBox = document.createElement('div'); crossLinkBox.style.cssText = ` background: #f0f7ff; border-left: 4px solid #2196F3; padding: 12px 16px; margin: 20px 0; border-radius: 4px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 13px; `; const label = document.createElement('div'); label.style.cssText = 'font-weight: 600; color: #2196F3; margin-bottom: 8px;'; label.textContent = 'Related Articles:'; crossLinkBox.appendChild(label); // Find related articles (mock - in real scenario, fetch from WordPress API) const relatedKeywords = ['security', 'privacy', 'encryption', 'backup']; const linksList = document.createElement('div'); linksList.style.cssText = 'display: flex; flex-direction: column; gap: 6px;'; relatedKeywords.forEach((keyword, idx) => { if (idx >= 2) return; // Max 2 cross-links const link = document.createElement('a'); link.href = `/?s=${encodeURIComponent(keyword)}`; link.style.cssText = 'color: #2196F3; text-decoration: none; font-weight: 500;'; link.textContent = `→ More about ${keyword}`; linksList.appendChild(link); }); crossLinkBox.appendChild(linksList); // Insert cross-link box const lastPara = article.querySelector('p:last-of-type'); if (lastPara) { lastPara.parentNode.insertBefore(crossLinkBox, lastPara.nextSibling); } } function scanAndLink() { const article = document.querySelector('article') || document.querySelector('.post-content') || document.querySelector('.entry-content') || document.querySelector('main'); if (!article) return; processNode(article); addInternalCrossLinks(); } // Run on page load if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', scanAndLink); } else { scanAndLink(); } })(); /** * WikiWax Ad Zone Manager * Creates designated placeholder ad zones for Ezoic or direct ad fill * Zones: after-title (728x90), in-content (300x250 every 3rd para), sidebar (300x600), footer (728x90) * Responsive: hides large formats on mobile, shows mobile-optimized sizes */ (function() { 'use strict'; const isMobile = window.innerWidth < 768; // Create stylesheet for ad zones const style = document.createElement('style'); style.textContent = ` .wikiwax-ad-zone { background: #fafafa; border: 1px dashed #ddd; border-radius: 4px; display: flex; align-items: center; justify-content: center; color: #aaa; font-size: 12px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-weight: 500; overflow: hidden; } .wikiwax-ad-zone-label { position: absolute; top: 4px; left: 4px; font-size: 9px; color: #ccc; text-transform: uppercase; letter-spacing: 0.5px; } /* After-title zone */ .wikiwax-ad-zone-after-title { width: 100%; height: 90px; margin: 20px 0; } /* In-content zone (300x250) */ .wikiwax-ad-zone-in-content { width: 300px; height: 250px; margin: 20px auto; float: left; margin-right: 20px; } /* Sidebar zone (300x600) */ .wikiwax-ad-zone-sidebar { width: 100%; height: 600px; margin: 20px 0; } /* Footer zone (728x90) */ .wikiwax-ad-zone-footer { width: 100%; height: 90px; margin: 20px 0; } /* Mobile responsive */ @media (max-width: 768px) { .wikiwax-ad-zone-in-content { width: 100%; height: auto; min-height: 250px; float: none; margin: 20px 0; } .wikiwax-ad-zone-sidebar { width: 100%; height: 250px; } .wikiwax-ad-zone-after-title { height: 50px; } .wikiwax-ad-zone-footer { height: 50px; } } /* When ad loads, remove border */ .wikiwax-ad-zone.ad-loaded { background: transparent; border: none; } .wikiwax-ad-zone.ad-loaded .wikiwax-ad-zone-label { display: none; } `; document.head.appendChild(style); function createAdZone(type, placement) { const zone = document.createElement('div'); zone.className = `wikiwax-ad-zone wikiwax-ad-zone-${type}`; zone.setAttribute('data-ad-type', type); zone.setAttribute('data-ad-placement', placement); const label = document.createElement('div'); label.className = 'wikiwax-ad-zone-label'; label.textContent = `${type} ad`; zone.appendChild(label); const placeholder = document.createElement('div'); placeholder.style.width = '100%'; placeholder.style.height = '100%'; placeholder.style.display = 'flex'; placeholder.style.alignItems = 'center'; placeholder.style.justifyContent = 'center'; placeholder.textContent = 'Ad'; zone.appendChild(placeholder); return zone; } function insertAdZones() { const article = document.querySelector('article') || document.querySelector('.post-content') || document.querySelector('.entry-content') || document.querySelector('main'); if (!article) return; // 1. After-title zone (after h1 or first heading) const h1 = article.querySelector('h1'); if (h1) { const afterTitleZone = createAdZone('after-title', 'post-header'); h1.parentNode.insertBefore(afterTitleZone, h1.nextSibling); } // 2. In-content zones (every 3rd paragraph) const paragraphs = article.querySelectorAll('p'); let zoneCount = 0; for (let i = 2; i < paragraphs.length; i += 3) { if (zoneCount >= 1) break; // Max 1 in-content zone to avoid clutter const inContentZone = createAdZone('in-content', `para-${i}`); paragraphs[i].parentNode.insertBefore(inContentZone, paragraphs[i].nextSibling); zoneCount++; } // 3. Sidebar zone (if sidebar exists) const sidebar = document.querySelector('.sidebar') || document.querySelector('aside') || document.querySelector('.widgetarea'); if (sidebar) { const sidebarZone = createAdZone('sidebar', 'sidebar-primary'); sidebar.insertBefore(sidebarZone, sidebar.firstChild); } // 4. Footer zone (at end of article) const footerZone = createAdZone('footer', 'post-footer'); article.appendChild(footerZone); } // Expose global API for ad networks to mark zones as loaded window.WikiWaxAds = { markZoneLoaded: function(type) { const zone = document.querySelector(`[data-ad-type="${type}"]`); if (zone) { zone.classList.add('ad-loaded'); } } }; // Run on page load if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', insertAdZones); } else { insertAdZones(); } })(); /** * WikiWax Contextual Affiliate Inserter * Auto-detects product mentions in article content and inserts affiliate recommendation boxes * Amazon Associates Tag: 2mrcarter-20 * Max 3 insertions per page */ (function() { 'use strict'; // Product categories to detect const PRODUCT_CATEGORIES = { 'headphones': { name: 'Headphones & Earbuds', query: 'best headphones' }, 'laptop': { name: 'Laptops & Computers', query: 'best laptop' }, 'phone': { name: 'Smartphones', query: 'best phone' }, 'camera': { name: 'Digital Cameras', query: 'best camera' }, 'keyboard': { name: 'Keyboards', query: 'best keyboard' }, 'monitor': { name: 'Computer Monitors', query: 'best monitor' }, 'tablet': { name: 'Tablets', query: 'best tablet' }, 'speaker': { name: 'Speakers', query: 'best speaker' }, 'charger': { name: 'Phone Chargers', query: 'best charger' }, 'mouse': { name: 'Computer Mouse', query: 'best mouse' }, 'software': { name: 'Software & Apps', query: 'software deals' }, 'hosting': { name: 'Web Hosting', query: 'web hosting' }, 'vpn': { name: 'VPN Services', query: 'best vpn' }, 'antivirus': { name: 'Antivirus Software', query: 'best antivirus' } }; const AMAZON_TAG = '2mrcarter-20'; const MAX_INSERTIONS = 3; let insertionCount = 0; function createAffiliateBox(productKey, productData) { const box = document.createElement('div'); box.className = 'wikiwax-affiliate-box'; box.innerHTML = `
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`; return box; } function scanAndInsert() { // Get main content area (works with most WP themes) const contentArea = document.querySelector('article') || document.querySelector('.post-content') || document.querySelector('.entry-content') || document.querySelector('main'); if (!contentArea) return; const paragraphs = contentArea.querySelectorAll('p'); const detectedProducts = new Map(); // Scan paragraphs for product keywords paragraphs.forEach((para) => { const text = para.textContent.toLowerCase(); for (const [key, data] of Object.entries(PRODUCT_CATEGORIES)) { if (text.includes(key) && !detectedProducts.has(key)) { detectedProducts.set(key, data); } } }); // Insert affiliate boxes after relevant paragraphs (max 3) const productsToInsert = Array.from(detectedProducts.entries()).slice(0, MAX_INSERTIONS); let paraIndex = 0; productsToInsert.forEach(([productKey, productData]) => { const targetPara = paragraphs[Math.floor(paragraphs.length / (productsToInsert.length + 1)) * (paraIndex + 1)]; if (targetPara) { const box = createAffiliateBox(productKey, productData); targetPara.parentNode.insertBefore(box, targetPara.nextSibling); insertionCount++; } paraIndex++; }); } // Run on page load if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', scanAndInsert); } else { scanAndInsert(); } // Also run after a small delay to catch dynamically loaded content setTimeout(scanAndInsert, 1500); })();