Large Ecommerce companies and small businesses alike have joined the social media revolution led by Facebook and Twitter, many opting to use paid search for Facebook and Promoted Tweets on Twitter to drive more sales.  But, are these efforts effective in driving brand loyalty – an essential component of long-term success – and will either Facebook or Twitter become a long term effective revenue stream?  This infographic done with BuySellAds, pulls data together to help you come closer to an informed decision.