With this change, not only is shown the technological progress, but also that people use their mobile phones for more than just checking their e-mails. With increases data-use, comes increased speed. The speed increase allows for more and other data to function properly on your mobile phone. It will only be a matter of time, until working really begins when you walk out the door.
Phoning, mailing, using applications like word, excel, sending and recieving movies and even mobile board meetings. You literally will be able to take your office with you anywhere over the world.