Cisco is out today with its latest Global Mobile Internet Data Traffic Forecast, which projects an 18-fold increase by 2016. A whopping 71 percent of that traffic will be video by 2016, according to Cisco, driven by an expected boom in tablet ownership. The growth in mobile video traffic will put tremendous strain on wireless networks over the next five years, which Cisco believes will force service providers to look for new ways to off-load traffic to fixed networks via Wi-Fi. One bit of good news for service providers, tablet usage seems to skew heavily toward evening hours presumably when tablet owners are at home and have access to their home Wi-Fi networks. Whether that’s simply because most tablets today are Wi-Fi only or because tablet behavior is genuinely different from smartphone behavior could turn out to be a very important question.