On 24 February 1967. 

One boy was born in Ukraine village. this boy name is Jan koum his family is very poor. 

there is no electricity in his house in Ukraine the temperature was in - they have no hot water in the cool weather in the house. 

but that boy in future he makes an application.in this time you have also downloaded this application in your mobile. In this Stress in 1992 janes Family Sold everything and move to America and Jan koum is only 16 years old And 

He has very Interested in computer. But his family Situation is no good but in a few time, he has a job in a grocery store as a Keener.

his all family member job in a job in different Places Very soon they have trouble. 

His father died and his mother is Cansayar patient  But Jan koum Has no option to fight with situation And he has worked hard And his admission in Sing joes State University. 

He is professional and computers Yahoo as Job offer to Jan But he still in university But he leaves the University and he Joins yahoo.


 




In  Yahoo, he meets Brian actin and very soon both of is Friend.

In 2000 Jan Mother died And he alone and he Spends his many time with His friend both of these play games and For year both of these work for yahoo and

 In 2007 both of those Resign Yahoo company both of these promise that they do not work for 1 year after one year both of applying in Facebook but Facebook is rejecting their proposal and both of these jobless but one idea change the life of these two.

 In January 2009 Jan koum buy iPhone in that time app store launch many applications in that time Jan has the idea in mind.

 I make that work to contact each another and don't show ads on the application and don't make sure to log in and easy to use and that is WhatsApp and he shares the idea with his friend and on 2009 he decided in that day born.

in beginning sometime WhatsApp is crash.in the beginning jan has discarded with that kind of work but his friend motivated his mind, in the beginning, WhatsApp has 400 users but after 20014 it has 50k users after that these tow sold a WhatsApp in 19 billion (gause how is a buyer)Facebook is a buyer of WhatsApp in this time Whatsapp has 1.5 billion users in his time in the list of rich people he is the one.