Over at Edelmandigital.com, we're celebrating the year anniversary of our re-launch as we gear up to work on the next iteration. Rather than brag about what we've managed to accomplish—we decided to put out something that might be useful. The "social media milestones" visualization highlights a few major events which unfolded over time. We couldn't fit everything—but included some biggies. You can download a full size version here.