Better Siri

In the marketing of the iPhone 4S, Apple over-promised and under-delivered with Siri, the built-in voice-control feature, which just didn't work quite as well as advertised. For the iPhone 5, it appears to have gotten better and more useful. Will it get even better? Sure. It just might take a couple of generations to turn it into a true personal digital assistant.

Chances of implementation: 90 percent