CNET Editors' note: The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.
MashLogic for Firefox scans web pages and adds links to interesting topics. You tell us the kinds of topics you care about (baseball players, music performers) and we'll find them on a page and link them to trusted sources (MLB, iTunes). Explore content without leaving the web page. The configuration panel gives you complete control over your user experience. Stream music directly from the web page; Wikipedia summaries and related articles for interesting topics (Global Warming); Definitions for less-common words; Company Profiles & Jobs; Breaking News from your favorite sources; Movies, Restaurants, Wines, Shopping.