Probably because, if you see past the idiots, and time-wasters, there's millions of people within reach of a few key-presses with a world of knowledge to share.
In the United States and other countries, Google is a site very popular for finding information. Other popular sites do exist out there, and other countries will have their own "most popular" sites for finding information.
Yes sites like www.gogirlgames.com and www.games2girls.com
i think there is no more sites special like that was
Myspace and other sites like that.
www.webmath.com
There are lots of other sites like Phazeddl. Katz CD, Phazemp3, Dl4all, DownloadPost and Icedll are all some similar sites where one can one can download.
I like Google+ and twitter after Facebook.
tagged.com
Vfall.com
None
ask.com
jibjab.com!