“one of their Windows Live Messenger buddies then enters the same keyword into a search, Microsoft could use what they know about you from your file” – does this not imply that MS will be using your PRIVATE data (you know, that you’ve stored so carefully on your own disk to protect it from others), and combining it with your buddy’s private data, and drawing conclusions based on the two data sets? This is supposed to be better than storing stuff on GSpace? Kim Cameron must tear his hair out sometimes – this explains why people have trouble believing the Infocard story when it carries the MS brand.