Amazon changed the retail world with company's newest project AWS Public Data Sets, which began offering more than 1 Terabyte (1000 GB) of fascinating public data for developers to access on the fly through Amazon's cloud computing service. The company announced the availability of four new public data sets:

• The Bureau of Transportation Statistics.
• DBPedia Knowledge Base - which "currently describes more than 2.6 million things including 213,000 people, 328,000 places, 57,000 music albums, 36,000 films, and 20,000 companies."
• The Freebase Data Dump - the giant collaboratively build semantic database on a wide variety of topics, data that high profile startup Metaweb has spent millions of dollars assembling.
• The entire English section of Wikipedia, dumped into a machine readable format.
• A number of large genetic and scientific databases.

Source:→ ReadWriteWeb