A profile of BlackBerry's QNX division, whose operating system controls safety features in 275M cars and accounts for half of BlackBerry's revenue (Ben Cohen/Wall Street Journal)

Ben Cohen / Wall Street Journal : A profile of BlackBerry's QNX division, whose operating system controls safety features in 275M cars and accounts for half of BlackBerry's revenue —  John Wall has spent nearly his entire career working for the same company.  And when he tells people where he works, nobody has any clue what he's talking about.