Live chat: Today at 11 a.m. PST, Ask the Headhunter author Nick Corcodilos is hosting a discussion and answering questions about how to deal with headhunters. It’s in the IT ExecConnect careers chat room. (Registration required but, hey, it’s free.)Open source: What with Microsoft claiming royalty rights, open-source providers, and users, insist that it’s patent claims prove Microsoft is threatened by Linux. “It’s like saying I have a big baseball bat, and I’m going to hit somebody,” says Joe Lindsay, CIO at Secured Funding Corp. “Everyone runs away.” Related: Microsoft patent claims hit at internal issues. Best of the blogs: Martin Heller takes a look at Microsoft’s resurrected XML Notepad. “I find the application quite useful,” he writes. “On the other hand, don’t expect too much: I wasn’t able to build the version 465 project I downloaded from CodePlex without errors in my copy of Visual Studio 2005.” The news beat: Hitachi Data Systems revamps its storage virtualization and adds thin provisioning. An analyst at Forrester Research says Apple TV and video iTunes have a rather limited future and that, “the paid video download market … will go the way of the dodo.” And the U.S. DOJ piracy crackdown gets its 50th conviction; that would be Christopher Eaves, a member of the Apocalypse Crew. Careers