WhatsApp is a freeware, cross-platform, centralized instant messaging and voice-over-IP service owned by United States tech conglomerate Meta Platforms. It allows users to send text, voice messages, and video messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApps client application runs on mobile devices and can be accessed from computers. Here are some key features of WhatsApp:
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Messaging and calling: WhatsApp allows users to send text, voice messages, and video messages, make voice and video calls, and share images, documents, user locations, and other content.
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End-to-end encryption: WhatsApp uses end-to-end encryption to secure personal messages and calls. Only the sender and the recipient can read or listen to them, and nobody in between, not even WhatsApp.
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Group conversations: WhatsApp allows users to create group chats with up to 256 participants.
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WhatsApp Business: WhatsApp launched two business-oriented apps in January 2018, separated by the intended userbase: a WhatsApp Business app for small companies and an Enterprise Solution for bigger companies with global customer bases, such as airlines.
WhatsApp is free to download and use, and it is available on multiple platforms. It is especially popular among friends and family who live in different countries and want to stay in touch.