OPLIN 4Cast #133: chi.mp, Free lectures, World Digital Library, URL shorteners

1. Chi.mp – the online identity aggregator

2. These two tools aggregate 1000′s of free lectures from over a 100 universities across the country, including MIT, Yale, Harvard, Stanford, and many more.

3. Launched yesterday: “The World Digital Library (WDL) makes available on the Internet, free of charge and in multilingual format, significant primary materials from countries and cultures around the world.”

http://www.wdl.org/en/

4. URL shortening services – pros, cons and links to some you can use

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