Stanford News Filter

An incredibly useful system, the Stanford News Filter looks through Usenet News to find articles you might be interested in. To subscribe, you send it mail saying "I'm looking for articles about Powerbooks for sale in*. Send me the best 5 articles every day for the next month." Every day, the system will pack up the five best articles (according to keyword searches) and send them to you. To use, send mail to with help in the body of the message.