I consider it a narcissistic form of social networking for those with a short attention span! Dont get the appeal at all...
At the moment it's the only way information is getting out of certain countries, The Guardian online has a good Middle east twitter page.
you can only get the feel, when you follow the right people! I get all the information on the world, plus have a good laugh with some tweets. If you are in to celebrities it's fun following them too
It's great!v If you want to know what's going on in the world then turn to twitter. That's where most people have been getting real info from on the current situations, as real people are posting about it.