It's no secret that the iPad commands a serious lead in the battle for tablet mindshare, but comScore's new Device Essentials traffic-tracking service shows just how much that translates into market dominance. According to the web monitoring company, the iPad and its successor account for 89 percent of tablet internet use globally, and 97 percent here in the US. Of course, the slate segment is still young and accounts for only a tiny percentage of total traffic. And, it's worth noting, the iPad has a significant advantage in being the first to hit shelves. If you want to dig a little deeper, hit up the source link for the PR and a few more charts.