Mashable cited a study today by Webtrends that confirms what we already know.  That Facebook ads (if done right, and for a small business that is a big IF) outperform banner ads by a factor of 5.  It’s important because there has been a massive backlash on Facebook ad effectiveness because the click through rates can, at times, be abysmally low.  But you have to create a great ad and target correctly and have a proper landing page to make it all work.