"Chatzy is a good alternative to Facebook, Skype, Windows Live, and other messengers because:
Chatzy has no registration steps - your friends can join instantly
Chatzy is free and has no popup ads
Chatzy does not require Flash or any installation on your computer (= no spyware)
Chatzy works on all major browsers, with any language and through corporate firewalls
Chatzy is simple and easy to use"
"Teach more effectively. SoapBox is a controlled digital space, designed to improve student engagement by breaking down the barriers students face when deciding whether or not to participate in class, and gives teachers a concrete assessment of student comprehension, in real time."
About Pipes
Pipes is a powerful composition tool to aggregate, manipulate, and mashup content from around the web. Like Unix pipes, simple commands can be combined together to create output that meets your needs:
-combine many feeds into one, then sort, filter and translate it.
-geocode your favorite feeds and browse the items on an interactive map.
-power widgets/badges on your web site.
-grab the output of any Pipes as RSS, JSON, KML, and other formats.
Taxedo is really brilliant wordcloud generator and you an do funky wordclouds in all inds of shapes. also like the fact that you can exclude the non essentia words with the click of a button