The amount of data flowing through cellular networks, both in North America and around the world, will increase almost 10 times over the next six years as growth in smartphone adoption continues and video consumption becomes more popular, according to reports released by Ericsson AB on Tuesday. Ericsson said global mobile data this year is expected to average 5.3 exabytes a month and rise to 51 EB by 2021, as it increases by an average of 45 per cent a year over that time. (One exabyte is equal to about one billion gigabytes.) The networking technology company said total traffic in Canada...