Jon Udell: Can IM Graduate to Business. He makes the interesting point that things like Groove are clever because they make no specific demands on the type of interaction you have. You can move from informal IM to formal spaces seamlessly. 11:02:13 AM

Microsoft issues patch for “serious” XP hole. The hole could let hackers take control of a PC running XP, says the manager of Microsoft’s Security Response Center. “They might as well be sitting in front of the keyboard.” Lucky I turned the services off, no? Better install it anyhow. 10:55:59 AM