WHATSAPP

Whatsapp messeger is app that allow to send free messages, make free calls,videocall, documents and audios through internet.It also the number best free social app in playstore and ios also.This company owned by Facebook.In January 2018 they realsed whatsapp business app. Whatsapp app also can access in computer.

HISTORY OF WHATSAPP

 This app founded by Brian Acton and Jan Kaoum who the former founder of Yahoo at year 2009.

On February 9, 2014 Zuckerberg asked Koum to have dinner at his home, and formally proposed Koum a deal to join the Facebook board. 10 days later Facebook announced that it was acquiring WhatsApp for US$19 billion.Over the first half of 2016, Koum sold more than $2.4 billion worth of Facebook stock, which was about a half of his total holdings. He is estimated to still own another $2.4 billion worth of Facebook stock.On April 30, 2018, Koum announced that he was leaving WhatsApp and stepping down from Facebook's board of directors due to disputes with Facebook. It was originally thought that by leaving he was forfeiting his unvested stock, worth almost $1 billion.^] However, several months later it was discovered that he was still formally employed by Facebook, earning a reported $450 million in stocks from the company through a method called "rest and vest.

In conclusion, the creation of this whatsapp messenger ease people's daily life activities.At last, it up to the user, how they make use them.If used properly, they are indeed a boon to us.