Interesting study about the usage and the behaviour of social media platform users from over 29 countries from webguild.org:
A new study by Universal McCann called When did we start trusting strangers? found that rather than being passive, consumers have taken not only active, but also creative roles in consumerism. In fact, consumers have become true “consum’actors.” The study was [...]

News aggregators:
friendfeed.com
Friendfeed works as a feed of your social community activities, one adds services like flickr, picasa, twitter, google reader, digg, stumbleupon, del.icio.us, youtube, fast.fm and of course own blogs sharing the own post/messages/links with other people and commenting the interesting stuff from others. Seriously good source of hot news right from the streets!

toluu.com
A service [...]

Viral Marketing, Social Marketing and digg-effect these buzz words symbolize the wet fantasy of many marketeers, making a product, brand or website the latest hype without spending a multi zillion Dollar budget on advertisement, sponsoring and PR.
The good news: Yes, it’s possible, no doubt. The bad one: It’s hard work combined with sensitiveness, knowledge [...]