I've found the Lycos Web Crawler to be very useful, although all of them throw back things you don't really want along with the things you do. Listening to the predictions, one would think that we are all about to retire to our studies and interact via computers. One also might think that we would never visit the shops, vote on every debate in Parliament, and that we would all be fully informed about everything that happens everywhere in the world. This is because, the theory goes, information means power, and that what the Web and the Internet provide is unlimited information. Well, here's my personal view of the future of the Web.
Human beings like to talk to, look at, watch, smell other human beings.
You can't do this through a computer screen. I am therefore starting the campaign for real reality. I mean a return to reality made the traditional way since 1736. We eventually might be able to make VR so good that we can't tell the difference. But then, perhaps we already have.