WHATSAPP 

   To day WhatsApp is most popular app on social media . WhatsApp was find by Brian Acton and Jan Koom . they are friends who worked at Yahoo company . This app has a name in the theme of  "what's up". JAN and friend join apple company and have waiting but no progress . In 2009 Brian was investing $250,000 and they can find owned. After that in 2010 WhatsApp support for android . 

  After that the added WeChat and messenger . Finally this app popular around the china. People were tempted to use this app. In 2018 WhatsApp launches team audio and video calls and introduce business platform.

Now a day we can do a lot of work like;  make voice call , take video call , massage , enter status. In corona times we can  find out about our friend, family, It helps a lot. Not only that we can do an online class and  You can also receive university messages. Once you have a data package, you can talk for a month, so you can be happy with your friends even when you are at home.