Yes, it is significant. But, how significant? Especially, when you ask at the beginning of the article "Is your company ready?"

I think more appropriate, more significant metrics might be: number of GB of bandwidth per device used; or, number of hours per day of connectivity per device used. These metrics will more appropriately indicate how much these devices are actually used while connected. If we get these metrics even more specifically "tuned" towards actually work--versus uploading photos or tweets of your latest escapades--then we will have a metric that a corporate IT department can take action on.

But, interesting statistics never the less.