If you thought that Yahoo! had been on a serious spending spree, then you really haven’t been keeping tabs on Twitter. Ever since the social media format made its first acquisition back in 2008, it’s gobbled up some 31 startups. Now that Twitter has filed its S-1 with the SEC, with its IPO most likely […] Author information Albert Costill Just a typical guy that enjoys an ice-cold beer, pizza, sports and music.