A week later on his birthday 24 February 2009, Whatsapp was incorporated in California. Brian Acton visited one of his friends Alex Fishman and talked about developing an app. Koum bought an iPhone in January 2009 and realized that the then seven-month-old App Store was about to spawn a whole new industry of apps. Both applied for a job in Facebook but both were failed. They started travelling around South America. In 2007, both Acton and Koum decided to leave yahoo and took a year off. In the year 2000 Acton invested in the dotcom boom and lost millions in the dot-com bubble. They are worked together for many years at yahoo. Yahoo was hired Jan Koum in 1998, who later become the co-founder of Whatsapp along with Acton. Brian Acton was hired by Yahoo Inc in the year 1996 and he was the 44 th employee of Yahoo. Later he worked as a test engineer in Apple and Adobe systems companies. In 1992, Brian Acton worked as system administrator in Rockwell International. Earlier he also studied in University of Pennsylvania and University of Central Florida. In 1994, Brian Acton was graduated from Stanford University in computer science. The man who was rejected by Facebook as an employee sold WhatsApp to Zuckerberg, co-founder of Facebook. Brian Acton is an American computer programmer and Internet entrepreneur. Acton was born on 17 February 1972 in Michigan to Norma Acton. Brian Acton is more popular as the co-founder of very popular mobile messaging application WhatsApp that helps people stay connected.