How can you use LinkedIn for sales and increase your own credibility? Lots of ways. And let me say right upfront that it’s important to do them because your prospects are checking you out too.
You have 100% control of your digital image on LinkedIn. By using it wisely, you’ll be seen as the invaluable resource that you are! Ask prospects these questions to pique their curiosity
http://www.jillkonrath.com/sales-blog/bid/126695/Video-3-Tips-to-Gain-Prospects-Trust-Using-LinkedIn