I'm at a Sheraton hotel in downtown NYC. The iPad Mini's LTE cellular data speed is a blazing fast 39.24 megabits per second. Compare that to the slow-as-molassas 0.26 mbps of the hotel wifi that my laptop is connected to. That means the iPad Mini is one hundred and fifty one times faster than the landline wifi.
This is why mobile wins. This is why the 4G service on the iPhone 5 was such a big deal. Soon the novelty will wear off, and we'll come to expect a constant, turbocharged connection to the digital world from our mobile devices. This is why every business is mobile, even if most don't realize it yet. Because all of us will be interacting with every business from connected mobile devices.