Everyone who uses LinkedIn should read this article ASAP:
http://arstechnica.com/security/2012/06/10-or-so-of-the-worst-passwords-exposed-by-the-linkedin-hack/
I changed my LinkedIn password when I first heard about it and sadly, mine is on the list of exposed passwords. Everyone should change their LinkedIn password ASAP. If you want to see if your password was leaked and cracked, go to LeakedIn (Nice name!)
http://leakedin.org/
Regards,
Roger Lacroix
Capitalware Inc.