[Discover] Livemocha: Learn Languages and Practice with Native Speakers: English, Spanish, French, German http://www.livemocha.com/
(idiomas languages educación inglés) 
[Discover] My Happy Planet http://www.myhappyplanet.com/ (language social training community)
[Discover] Hyplet - Your Online Signature http://www.hyplet.com/ (generator signature firma correo)
[Discover] soZiety - Language Exchange http://www.soziety.com/LanguageExchange.do?locale=ca (comunitat social xarxa)
[Discover] Twitter http://twitter.com/home (twitter social tools socialnetworking)
[Discover] StoryCorps http://www.storycorps.net/listen/ (life social radio)
[Discover] Twitturly - Real-time Link Tracking on Twitter http://twitturly.com/ (twitter url tracking search)
[Discover] Social Enterprise Collaboration with MindTouch Deki - Social Enterprise Collaboration & ... http://www.mindtouch.com/ (software wiki widgets tools)
[Discover] Flickr http://www.flickr.com/ (photography photo flickr sharing)
[Discover] Fyreball User Login - Fyreball http://www.fyreball.com/user/login (network social)
[Discover] My Happy Planet http://www.myhappyplanet.com/ (language social training community)
[Discover] Hyplet - Your Online Signature http://www.hyplet.com/ (generator signature firma correo)
[Discover] soZiety - Language Exchange http://www.soziety.com/LanguageExchange.do?locale=ca (comunitat social xarxa)
[Discover] Twitter http://twitter.com/home (twitter social tools socialnetworking)
[Discover] StoryCorps http://www.storycorps.net/listen/ (life social radio)
[Discover] Twitturly - Real-time Link Tracking on Twitter http://twitturly.com/ (twitter url tracking search)
[Discover] Social Enterprise Collaboration with MindTouch Deki - Social Enterprise Collaboration & ... http://www.mindtouch.com/ (software wiki widgets tools)
[Discover] Flickr http://www.flickr.com/ (photography photo flickr sharing)
[Discover] Fyreball User Login - Fyreball http://www.fyreball.com/user/login (network social)