Billionaire investor Carl Icahn charges Yahoo with acting irrationally and losing the faith of both its shareholders and Microsoft. For that, Icahn says he is taking on Yahoo and plans to nominate 10 candidates to replace all incumbent member of Yahoo’s board. Related: Icahn’s letter to Yahoo chairman Roy Bostock and Special report: Microsoft’s bid for Yahoo. In what some analysts are calling a “completive response” to Microsoft’s Silverlight and Sun’s JavaFX rich Internet application (RIA) platforms, Adobe refreshes Flash Player 10, replete with new 3D capabilities that set it apart from the rivals. An open source project issues its first public beta release of Moonlight, a tool that provides a Linux client implementation of Microsoft’s Silverlight RIA technology. Fewer than 1 in 12 programmers are currently writing applications for Windows Vista, according to a new survey, and developers explain why they’re avoiding Vista. Hint: Those folks say it’s primarily because their own customers are simply not calling for the new OS.Comcast says it is buying Plaxo so that the startup can help it bring social networking and community features to its broadband data, phone, and TV services. And Robert X. Cringely reports that overzealous attorneys, badly written laws, content producers who believe they have a divine right to everything they’ve ever touched for all eternity, and cowering Web 2.0 companies have all corralled us into copyright hysteria. YouTube, copyrights, and copy wrongs. Technology Industry