WolframAlpha["query"] sends query to Wolfram|Alpha and imports the output. WolframAlpha["query", format] imports the output according to the specified format.

PodWidth is an option for WolframAlpha that determines the width parameters of the content returned by the Wolfram|Alpha API.

PodStates is an option for WolframAlpha that determines information about the states of the pods.

ExcludePods is an option to WolframAlpha that specifies pod IDs to exclude from the results.

IncludePods is an option for WolframAlpha that determines specific pod IDs to include in the results.

Asynchronous is an option for WolframAlpha that determines whether to use the asynchronous features of the Wolfram|Alpha API.

InputAssumptions is an option for WolframAlpha that specifies assumptions for current query input.

In addition to the existing datasets that have been updated, Mathematica 8 now exposes the curated knowledge databases available from Wolfram|Alpha.

Mathematica 9 adds direct access to social media as well as new and updated mathematical computable data.

Mathematica's units system includes thousands of different quantities, including units, physical constants, and IndependentUnit expressions. Supported units include all those ...