Some are calling actual meetings of twitter people a “tweet-up”. It is a chance to meet people from twitter and network in person. There are many reasons for such local contacts besides a social one. It can create a local area business network of contacts that would be missed except for the uniqueness of twitter.
One way to find local area twitter users is with TwitterLocal:
“…Just enter a city, state, postal code, choose the range of miles you want to include, and hit the button…”
Many people have no intention of such internet meetings for reasons such as security. However, on a small scale, it is possible to turn twitter into the modern day equivalent of the every day ‘town square’, to share local information. With services such as TwitterLocal, the large internet community can become very focused.