Rome has a new experimental system that combines GPS and the internet to bring walkers a whole mess of useful data in your cell phone: models of traffic, crowds, and even hot spots where a lot of people are gathering.
You can find out where the crowds are, and decide if you want to be where the action is, or whether you want to get as far away as possible. Not only will you be able to find the bus stop, you'll know when the next bus is coming and whether it's likely to be crowded or not.
This device is meant for drivers and walkers, but why not bikers too? Decide for yourself: