Buddy Media recently released an interesting report based upon research conducted among their clients regarding Facebook engagement. Of particular interest is that URL shorteners significantly reduced engagement, as did longer posts.

Read the full article and report here:

http://www.buddymedia.com/newsroom/2011/04/introducing-our-latest-research-%E2%80%9Cstrategies-for-effective-facebook-wall-posts-a-statistical-review%E2%80%9D/