my comparison
-I went on bing maps a few weeks ago and there was only 1 of the restaurants, of which there were 6 on google maps in my city.
-people seem to be still switching to gmail; they say it is easier than msn which confuses itself with live mail.
-never used google docs
-I would like to know more about the security issues with google maps.
-Anonymous got kicked off google blogger.
-never used google reader.
-google checkout seems to be synonymous with android (so no choice)
-never used google talk yet, but because of the problems that skype had, people seem to be trying everything else. (Im still waiting for the p2p free version)