hi every one i want to introduce great utility MSN Block Checker and yahoo block checker is a web based tool. You can use it to detect if someone has blocked you. You can use it to see your friend is Online or Offline on MSN Messenger. http://www.sachgup.com/msn/status-checker/index.php this website also offer yahoo Block Checker http://www.sachgup.com/yahoo/status-checker/index.php
I know its a kinda olod thread...but both tools on upper urls are not working...u should try www.msnblockchecker.info and www.yahooblockchecker.info
I never thought that such an app would ever exist.. is this for real? ho ho! What do you people expect from us? this is a webmasters community.