Junk Mail Prevention

• The Direct Marketing Association has an anti-telemarketing preference list and an anti-junk mail preference list. Unfortunately, the DMA is not web-savvy: you must send your requests by snail mail.
• Opt-out list for credit reporting agencies: 888-5-OPTOUT (888-567-8688).

Product Reviews and Complaints

• Consumer-feedback sites want to hear your gripes: eComplaints.com, PlanetFeedback.
• Epinions.com lets you read and write product reviews.
• Deja lets you read and vote on product ratings.