Twitter, tweet, tweet, tweet

I tweet, of course I tweet. If only to find out what Twitter is about and not to become a person who doesn't understand new media.
But what is it about? I do get useful information via Twitter, it has given me a chance to connect with people in my new country. It gives me news alerts and that's great. But still, what am I doing on Twitter?

Without doing anything my followers are up to a 137 (5 November at 09.38), and they just keep on coming in - I do have to block some of them. But, why do they follow me? They don't seem to read my tweets, or are they just not interested. And if they are not interested, why do they follow me? Is it just to get to a certain number of followers/following, and if so, why?

Yesterday when I reached a 100 followers I decided to ask them why they follow me. And the best answer (IMO) would get two hours of my time. Only one person answered. And if she remains the only one, she very deservedly gets 2 hours of my time.

As much as I'm trying to find parallels with the real world, I haven't managed to find one yet. Any comments much appreciated - don't hesitate to tweet.