WhatsApp

WhatsApp was invented

2009

http://www.bgr.in/news/the-rise-of-whatsapp-a-timeline-ss214/

WhatsApp was invented with an annual fee of $ .99

2009

http://www.bgr.in/news/the-rise-of-whatsapp-a-timeline-ss214/

WhatsApp support for Android users added - Remain until 2020

2010

http://allreviews.tech/2017/06/21/whatsapp-remains-the-android-version-from-2010-years-support/

Investment of $8 million from Sequoia Capital

2011

https://techcrunch.com/2011/04/08/sequoia-whatsapp-funding/

WhatsApp messages reached one billion messages per day

2011

http://www.bgr.in/news/the-rise-of-whatsapp-a-timeline-ss214/

Messages encrypted in latest version of WhatsApp

2012

https://www.wired.com/2014/11/whatsapp-encrypted-messaging/

Introduction of voice messaging in WhatsApp

2013

http://www.bgr.in/news/the-rise-of-whatsapp-a-timeline-ss214/

Facebook acquires WhatsApp for $19 billion

2014

http://www.bgr.in/news/the-rise-of-whatsapp-a-timeline-ss214/

WhatsApp introduced 'read receipts'; alerts users when their messages are read by the opposite party

2014

https://en.wikipedia.org/wiki/Timeline_of_WhatsApp

WhatsApp reaches 500 million users

2014

https://www.forbes.com/sites/amitchowdhry/2014/04/22/whatsapp-hits-500-million-users/#6f4f3c38702a

WhatsApp temporarily shuts in Brazil for refusal of wiretaps on selected accounts

2015

https://techcrunch.com/2015/12/16/brazils-congress-has-shut-down-whatsapp-tonight-and-the-rest-of-the-social-web-could-be-next/

WhatsApp Web introduced - Allows users to chat on their browser by scanning bar code

2015

https://blog.whatsapp.com/614/WhatsApp-Web

WhatsApp introduced voice calling feature, allowing millions to communicate on a broader geographic level

2015

https://techcrunch.com/2015/04/21/whatsapp-begins-rolling-out-its-voice-calling-feature-to-ios-users/

WhatsApp asks users to delete all third-part clients to use its services

2015

https://techcrunch.com/2015/01/21/whatsapp-cracks-down-on-third-party-apps-temporarily-bans-their-users-from-its-service/

WhatsApp announces complete eradication of annual $1 subscription fee

2016

https://www.engadget.com/2016/01/18/whatsapp-is-dropping-the-1-annual-fee/

WhatsApp introduces document sharing feature - PDF only

2016

https://techcrunch.com/2016/03/02/whatsapp-adds-support-for-document-sharing-but-only-pdfs-at-launch/

WhatsApp Web app is introduced for Windows and Mac

2016

https://blog.whatsapp.com/10000621/Introducing-WhatsApps-desktop-app

New launch of Whatsapp Status to celebrate birthday

2017

https://techcrunch.com/2017/02/20/whatsapp-status/