Last night Microsoft unleashed unto the world the second beta version of Internet Explorer 7, cleverly dubbed Internet Explorer 7 Beta 2. In the announcement on the IEBlog, the team says they've "acted on a lot of the feedback and bug reports from the previous public releases" and made changes to CSS handling and responded to reliability data ("yes, we do analyze the information that comes when you click 'Send Error Report'") and user experience feedback. In addition, Microsoft is now offering free phone support in North America, Germany, and Japan "to encourage people who usually shy away from beta software to try IE7 Beta 2." TechCrunch's Michael Arrington attended Microsoft's announcement dinner (we bloggers love to get fed) and says Microsoft is "taking the browser war seriously and without arrogance," and the new Internet Explorer 7 web site definitely shows that the Microsoft marketing machine is getting ready to run its course.