LinkedIn can be a very valuable tool for B2B professionals to meet colleagues they'd never otherwise have access to, network with those they don't see very often and engage in conversations on topics of interest. It's also one heck of a community for getting to know your prospects and customers.

LinkedIn can also expose a lack of integrity and authenticity in a heartbeat.

Read more at http://www.soldlab.com/news/2011/8/18/how-to-get-unlinked-on-linkedin-to-read-more-sales.html