Merge pull request #4100 from shaedrich/whatsapp

Add related to topic "WhatsApp"

topics/whatsapp/index.md

@@ -3,14 +3,14 @@ aliases: whatsapp-web, whatsapp-chat, whatsapp-bot
 created_by: Brian Acton, Jan Koum
 display_name: WhatsApp
 logo: whatsapp.png
-related: messaging, instant-messaging, facebook, instagram
+related: messaging, instant-messaging, facebook, instagram, telegram, threema, wechat, imessage
 github_url: https://github.com/whatsapp
 short_description: WhatsApp is an instant messaging and voice-over-IP service.
 released: February 2009
 url: https://www.whatsapp.com/
 topic: whatsapp
 wikipedia_url: https://en.wikipedia.org/wiki/WhatsApp
 ---
-WhatsApp is a cross-platform centralized instant messaging and voice-over-IP service owned by Meta Platforms, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other content. The service requires a cellular mobile telephone number to sign up.
+**WhatsApp** is a cross-platform centralized instant messaging and voice-over-IP service owned by Meta Platforms, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other content. The service requires a cellular mobile telephone number to sign up.
 
 WhatsApp's client application runs on mobile devices but is also accessible from desktop computers, as long as the user's mobile device remains connected to the Internet while they use the desktop web app.