In 2009: Brian Action tweeted "Facebook turned me down" In 2014: he sold his company to Facebook for $21.8bn

This is Brian Action. In 2009, he applied for a job in both Facebook and Twitter and was turned down by both companies. 5 years later, Facebook bought his company, Whatsapp, for $21.8billion.
Forbes Profile of Brian Acton:

Computer engineer Brian Acton
Applied for a job at Facebook in 2009 and ...
 In 2009: Brian Action tweeted "Facebook turned me down" In 2014: he sold his company to Facebook for $21.8bn