Google.com is a well-known web search engine. Google has made a web service available that allows developers to interface with their search engine within their own applications. A user can search for any topic on the web. A query will return data about the web pages that are found. This example demonstrates a Mathematica interface to the Google web service.
The Google web service provides a good demonstration of the use of web services to retrieve data. This example searches the Google database for web pages containing a certain keyword. The example code then places the results in the notebook.