Here is a quote from Fred Jacobs on All Access about mobile

A Finnish consultant named Tomi Ahonen has taught me a great deal about mobile. Tomi says that mobile is the seventh medium; it does everything the other six media (Internet, TV, radio, print) can do. The game changer is that mobile devices are with us all the time and they're always "on." In the not-too-distant future, everyone will have a smartphone that will be capable of doing everything a laptop does today.

OK reread it - it does everything the other media does! That's powerful and why consumers are embracing it. You can read the full article on All Access here.