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
Single Time Machine Backups
Tired of Time Machine running all the time? You can turn it off in the Time Machine preference pane, but still initiate a single backup by choosing Back Up Now from Time Machine's menu bar icon. Of course, your backup is much less likely to be up to date, but Time Machine won't be taking any resources while you're trying to work.
- ExtraBITS for 22 February 2010 (22 Feb 10)
Google Admits to Inadequate Buzz Testing