It only makes sense that the home of MIT and Harvard should host the world's smartest bus service. A new company, Bridj, is rolling out a bus service that takes millions of bits of information from people's smart phones to figure out where they are and where they want to go. Then it runs routes accordingly. The user's smart phones will give them up-to-date information on when the buses will arrive. But the smart element is that the routes will evolve as more users provide more information. The buses stop when needed, not on a standard schedule resulting in faster commutes in one of America's toughest traffic cities.
Read more about it in this article.