How exactly did Vungle, a mobile advertising startup, makes its way from London to Silicon Valley? After seeing an ad saying there was one spot left in "AngelPad's batch," a pair of teenagers - Jack Smith and Zain Jaffer - launched a daring pitch in an attempt to get the last spot.

RockYou, a social gaming company, last week relocated from Redwood City to San Francisco. The struggling company reportedly cut over 100 employees last year after large layoffs in October 2010.

Ford Motor Co. and Coca-Cola Co will both expand their advertising campaigns on Facebook. The support from Ford and Coke comes at a good time for Facebook. Ever since General Motors stopped advertising on the website, Facebook has had to answer critisim over the effectivness of its ads.

Yahoo announced Monday that Michael Barrett will lead their advertising sales team as chief revenue officer.