Polls on social network allow for more customer insights

Recently at Web Surveys, they look at the new functionalities starting to appear on the popular social networking sites across the web. LinkedIn already has the capabilities, and Facebook has announced that they'll soon be there. Engagement Ad will allow for marketers to have a targeted polling system in the form of an ad model on Facebook.

This is a new, inexpensive method to collect the feedback and opinions from the exact target audience you're looking for. Have you already used these tools on LinkedIn? What have your results been?