Mozilla's newest release, a prototype called Ubiquity, is designed to help users create their own mashups, combining information from the Web browser.
... With search, users type what they want to find. With Ubiquity, they type what they want to do.
From the command line, users can mash together tasks such as mapping, translation, shopping, or retrieving entries from Wikipedia, Yelp, or Twitter, such as suggesting a restaurant to a friend, mapping it and adding reviews in an e-mail.
CNET reports Microsoft is working on a similar feature for Internet Explorer 8.