What does WhatsApp mean?

WhatsApp is a free mobile messaging application, massively used for international messaging and voice calls. Where does WhatsApp come from? WhatsApp was founded in 2009 by WhatsApp, Inc.

What does swap mean?

verb (used with object),swapped,swap·ping. to substitute (one thing) for another (sometimes followed by Swap in red wine for white, since powerful nutrients are in the red grape's skin. to replace (one thing) with another (sometimes followed by To cut down on fat, swap cream for milk. verb (used without object),swap·ping.

What's new on WhatsApp?

WhatsApp introduces its document-sharing feature, initially allowing users to share PDF files with their contacts. WhatsApp and Open Whisper Systems announce that they have added end-to-end encryption to "every form of communication" on WhatsApp, and that users could now verify each other's keys.

How does WhatsApp change its profit model?

WhatsApp changes its profit model with an annual subscription fee of $1 after a free first year. Telegram, a cloud-based instant messaging service, launches. WhatsApp introduces voice messaging. Facebook, Inc. announces its acquisition of WhatsApp for US$19 billion, its largest acquisition to date.