You already know you've got more than a few options when it comes to halting junk mail and opting out of marketing databases, but there's nothing wrong with having another handy, multi-list tool available. New web site ProQuo provides one-click access to getting rid of coupon packets, removing yourself from marketing lists, joining the National Do Not Call Registry and even opting out of directory services like WhitePages.com and Switchboard. ProQuo is free, but a few of the blockers it compiles require mailing or even a small fee (thanks a lot, Direct Marketing Association).

US-centric: Tired of all those unwanted catalogs jamming your mailbox? Try Catalog Choice, a free service that you can use to opt out of junk mail. Signup is free; once you've created a simple profile you can go in... Read More »

Sick of answering those telemarketing calls that always seem to arrive just as you're expecting something more important? Want a little less mail to sort through? The World Privacy Forum web site has a helpful roundup of the best ways to opt out of marketing materials online and off, stop data brokers from snooping through your life and avoid being pinned down by browser cookies. A few of these tips have been covered before on this site, but there are a few unique tips, and the page makes for a good all-in-one bookmark for protecting your data and cleaning out the marketing clutter.

AU - The Australian Do Not Call register can be found here.