Cool Web 2.0 sites
Maybe the best - and probably the most spacious - webmail service. You won’t ever need to delete an e-mail and spam filters are really good.
I have never used a calendar before - I was always too bored to write anything on a calendar. With Google Calendar this is not the case. If only it could sync with my PDA.
Meebo is a site that offers access to the most popular instant messaging (IM) systems, including AIM/ICQ, Yahoo! Messenger, MSN and Jabber/GTalk. It is really cool, since you can chat having just a browser.