Web Sites: blinkx.tv
blinkx.tv features a collection of video clips from around the Web. Blinkx also offers a freely downloadable search toolbar that automatically links to relevant information on the Web, such as blogs, video, and broadcast news-or to files on your desktop such as PDFs, Microsoft Word documents, and MP3s.
From the Site:
blinkx, the smartest thing on your computer, is changing the way that people think about search technology. Free-to-download, blinkx automatically and intelligently links to relevant information anywhere and in any format: on the Web, in the news or on the desktop. Easy to use, blinkx automatically and implicitly conducts searches based on the content being viewed by each individual user.