Allen's chief investment officer floats the idea of Microsoft spinning off consumer businesses, like search advertising and Xbox.
Recent surveys show serious problems with basic Web browsing on smartphones.
The software maker, which already licenses out its product activation and licensing technology to other firms, is now creating a separate company to handle the task.
ZenZui, Mobio, and FoneMine pitched interesting concepts for reshaping user interaction with mobile applications and content.
Zumobi's Ben Bederson and John SanGiovanni point to six things developers should heed when working on mobile computers, and praise Apple for getting it almost completely right.