INFO WORLD -- Sep 10 -- UK-based social networking site Quechup (pronounced "ketchup") has angered people over its spamming techniques. When you sign up for the site, it prompts you to share your address book so you can locate who also is on Quechup. But instead of presenting you with a list of friends, Quechup sends an invite from you to everyone in your book.
The full article was originally published at Info World, but is no longer available.
Mark Brooks: Or for one better, try Rapleaf.com. No login needed. Just enter your friends email address and you can see what SNS they are on.