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Njoyed: What have you Njoyed?
Njoyed is a site where people post things that they’ve enjoyed and discover, things that other people have enjoyed.

http://www.njoyed.com | More on Go2Web20.net
Twilert: Twitter Search Alerts via Email
Twilert is a Twitter application that lets you receive regular email updates of tweets containing your brand, product, service, well any keyword you like really.

http://www.twilert.com | More on Go2Web20.net
Notifixious: Get Notifications in Real-Time
Subscribe to your favorite web sources with Notifixious, and you will be notified whenever new content is available. (by email, IMs, or text message)

http://notifixio.us | More on Go2Web20.net
Blip.fm: Global Music Radar
With Blip.fm ayou can get an access to millions of streaming songs, create your own music station, a station programmed by your friends, an audience of music enthusiasts.

http://blip.fm | More on Go2Web20.net
ZingSale: Save Money Shopping
ZingSale is a free service that helps you save money on all of the stuff you want to buy. Just tell the service what product you're interesting in, and get notified when products you want to buy go on sale.

http://zingsale.com | More on Go2Web20.net