Two new studies -- one focusing on enterprise usage of mobile devices, the other looking at tablets -- have shored up conventional wisdom on the distribution of platforms, relegating everything but iOS and Android offerings to "other," but providing some new insights and a hint of changing trends. Advertising network and mobile analyst firm Chitika finds that the iPad continues its overwhelming dominance, but shows Android tablets finally inching up in usage, while Egnyte's study finds Android falling in corporate influence.