What sources of information are there?

Text
Images
Video
Audio
Literature
Blogs e.g. Cal's notes
Source code
Search engines e.g. google
Magazine reviews
TV advertisement
Word of mouth – socialising
Online encyclopaedia e.g. Wikipedia
Developer sources on the net
Developer blogs
Usage of the site
Search engines
Reviews of software
Screenshots
Help & Advice
Tutorials
External links
Flickr’s FAQ’s
User/moderators feedback