Although it is a scary proposition for IT departments everywhere, it is getting to the point where most employees either have or will be looking to purchase a mobile internet connected device. This means a bring your own device policy should be a prominent consideration moving forward, as these employees will want to use their devices to work. The NPD Group said there are now more than 500 million devices in U.S. homes that connect to the internet with smartphones and tablets outnumbering PCs.

"That mushrooming cloud of bandwidth-demanding devices has been driven by the red-hot tablet market - there are now tablet devices in 53 percent of homes in the US, up from 35 percent in December," Ars Technica said of the report. "Smartphones also have edged into 9 million more pockets over the last three months, according to NPD, and they now account for 57 percent of cell phones in the US market."

NPD's director of Connected Intelligence John Buffone said this is the first time mobile devices have outnumbered computers. It may not be the post-PC era quite yet, Ars Technica said, but numbers from the report show that the mobile use has exploded. Still, 93 percent of homes own a PC, so most employees have not yet given up traditional devices. Companies may still want to look at mobile device management to help control the influx of iPhones, Androids, e-readers and other devices on the network to maintain a high level of security.