Angie Schottmuller identified 13 of the top barriers to on-site social media engagement, noting that some were more evident than others. I won’t have room to discuss them all here, but I will cover many of the ones guaranteed to pull a visitor up short. I’ll also talk about the ways you can fix these problems. Let’s start with social sharing buttons. These are the buttons that make it easy for users to post a link to your item in their Facebook feed, Pinterest board, or what have you. The problem here is when you go to extremes, according to Schottmuller: offering your visitor either too few …