Google tested Google Buzz only internally, the product manager told the BBC, which is obvious, because only engineers working 80-hour weeks would think that people wouldn't mind having all of their most common email and chat contacts exposed for the world to see. follow link
Track Changes Dates Reset on Save As in Word 2008
If you regularly use the Save As feature to create new drafts while working in Word 2008, you might notice that with Track Changes enabled, previously time-stamped comments and edits have their times reset to the Save As date and time. Work around this by sticking with your original file, but using Save As (or just File > Duplicate in the Finder) to make backup copies.
- ExtraBITS for 22 February 2010 (22 Feb 10)
Google Admits to Inadequate Buzz Testing