RSSknip is a new subscription service that tracks keywords in RSS news feeds (the service currently monitors over 1.1 million feeds, with almost 500 feeds being added daily. You can try the service for free for two weeks; after that you’ll have to pay $59.95/year for the service.Bloglines essentially offers this same function, but instead provides the search results in an RSS feed, rather than sending them by e-mail.

I’ve said it before, and I’ll say it again — the ability to filter an RSS feed by a particular keyword is a big part of the future of legal research. RSSknip has got the right idea, although I’d rather not pay for it. Still, $5 a month is not bad.