A Box You Want to Uncheck on LinkedIn is a default setting whereby our names and photos can be used for third-party advertising. Its a Facebook deja vu! LinkedIn has decided to make a change in the policy. That’s a step in the right direction. It’s a move in response to negative user reaction and a growing media firestorm, LinkedIn has made a change of its policy. The new default settings under E-mail Preferences (such as Partner InMails); and Groups, Companies & Applications.”]
Source: https://brandimpact.wordpress.com/2011/08/10/a-box-you-want-to-uncheck-on-linkedin/

