Used to be you went someplace where people were to find out what was going on. Now “swarming” makes it more efficient. People broadcast text or cell phone messages to get people to a location where something is happening. “Swarming reverses the idea that geography, in an Internet age, has become irrelevant. The whole point is to bring people together in one location for face-to-face contact. Swarming also is leading to such social developments as ‘time-softening,’ ‘cell dancing’ and ‘smart mobs’.”