…if you look hard enough.  Or make your own door.

Brian Acton was a software engineer that used to work at Yahoo and Apple.  When he applied to Twitter and Facebook, they both said no.  

So he teamed up with a fellow former Yahoo engineer to create the cloud-based messaging app, WhatsApp.

This week, Facebook agreed to buy WhatsApp for $16 billion.

Not a bad change in careers.

You can read the rest of the article Forbes.