### Explanation Contact functionality covers any platform-provided slot for exposing how to reach an entity off the platform — a "Contact" page on a website, a business's "About" section on Facebook or Instagram, a Telegram bio with `@username` plus a public phone, a LinkedIn profile's contact info panel, a GitHub profile's email field, a freelancer's contact box on Upwork or Fiverr, a Discord server's "join us" page. Every platform tries to give a target one canonical place to publish how to reach them. The identifiers exposed cover the full spectrum of personal communication: phone numbers (personal mobile, work landline, WhatsApp/Signal/Telegram-linked numbers), email addresses (personal, work, role-based aliases like `info@`/`contact@`/`press@`), messaging handles (Telegram `@username`, Skype, Discord tag, Signal username, WeChat ID, Matrix ID), social-media handles (mainstream platforms plus niche professional ones — Xing, Behance, Dribbble, ResearchGate), physical addresses (office, occasionally home), and increasingly modern equivalents like Calendly booking links, support-ticket forms, and "DM me" buttons hosted on Notion or Linktree. Each identifier is independently valuable to an investigator: a phone number unlocks reverse-lookup (Truecaller, GetContact, sync.me); an email unlocks account-existence checks (holehe) and breach-database lookups; a Telegram handle unlocks pivots into shared groups and channels; an office address ties to a registered company and its filings. These pages are deliberate, structured exposures — much higher confidence than data scraped from posts or pulled from a breach. They're the natural starting point for the SOTL-22 cluster of contact-discovery techniques: once you find a target's contact section, the data there is intended to be reachable and is usually current. Conversely, contact data that's been removed from a live contact page often persists in archives (`SOTL-7.1. Check Archives`) and ad-library snapshots (`SOTL-22.3. Retrieve Associated Advertisements`). ### Examples {{some links to articles, videos, etc}} ### Types business, behavioural ### See also - {{internal links to similar functionalities}} ### Typical weaknesses - [[SOWEL-1. Having and Filling Account]] - [[SOWEL-7. Copying Content]]