I love Scribd for sharing documents that would otherwise sit on my hard drive unused. By serving up documents that I created, I am able to share information with people and hopefully reduce the amount of research that people need to do.
On example of a document I uploaded is below. I created a Powerpoint presentation for GIS day 2008 to help a group of students understand how Google Maps works with external data. After the presentation, the document would just sit on my hard drive. So I decided to upload it to Scribd to help out the growing GIS community on Scribd.
Anyway, Scribd was nice enough to send me an Amazon.com gift card, so I feel I should officially promote them. I don’t work for them or expect to be getting any more money, but I will definitely continue to use their service!