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Many of the design teams we talk to face the same major issue: how to organize the information on their sites. http://www.uie.com/articles/folksonomies/

Folksonomies: A User-Driven Approach to Organizing Content

Social network aggregators is a relatively new breed of applications which try to consolidate all your various social networking profiles into one, with varying success. Let’s check out 20 biggest competitors in this field.

20 Ways To Aggregate Your Social Networking Profiles

http://mashable.com/2007/07/17/social-network-aggregators/

Social bookmarking service. Fast tagging and posting to all major ...

I am working hard on a new website called eptiv.com which is basically a news aggregator, a place where you can find the latest headlines from trusted news sources around the web. On eptiv.com you have the opportunity to share opinions and discuss all the latest news which are of interest to you. http://www.socialmarker.com/