New in 9.0: Computable Data
Mathematica 9 adds direct access to social media as well as new and updated mathematical computable data.
WolframAlpha — access to Wolfram|Alpha data
CoordinateChartData — standard coordinate system properties
GraphData — updated with additional graphs and properties
FiniteGroupData — updated with additional groups and properties
ColorData — several dozen new color schemes
ExampleData — updated with additional example datasets