We've all seen social media "Share" buttons on emails and wondered if they really work. Well, a new infographic from GetResponse (below) tells us the answer: they don't but, then again, they do. Confused?  You're not alone. Using "share" buttons or icons appa...

In the words of Brian Solis, "Email is technically the largest untapped social network in the world". Although on one level that's a pretty obvious statement, on another it's a really astute observation that starts you wondering why we're all so excited about Twitter an...