Tim O’reilly (@timoreilly) has written an article telling why he loves Twitter.
His 5 reasons for loving twitter are

Twitter is simple – does one small thing and does it well.
Twitter works like people do – you can follow first and become “friends” later.
Twitter cooperates well with others – Integreates well with others services.
Twitter transcends the web – Can be used on any client without loss of functionality.
Twitter evolves quickly – many new users, many new ways to use it.

Read the full article at O’reilly Radar.

The first time I tried twitter more than a year ago when a friend od mine told me about this new thing. We both twitted sending messages to eachother. After a while we stopped unable to see any use for this crazy program.
A couple of weeks ago I finally understood how usefull twitter could be. I was at a conference where twitter was used during the conference to comment and to ask questions. I was quite fascinated be the activity I saw on twitter during the conference and was very inspired by the …