A registered user of Twitter.
The number of Twitter users is growing, yet the degree of activity can vary, as evident from this article Twitter Reveals Active User Number (Time Techland, Sept. 9, 2011).

For a useful guide on using Twitter, and the benefits of using it, see The FE Week guide to Twitter. The guide is specific for the education sector in the UK, yet you can apply the guidance in your own area of interest.

Open and inclusive conversation, reputation, popularity, marketing, …
The Twitter ecosystem values learning about new content


Information and Communication

In the media

The Fringes

"Tweeter" in the tree of "Pico"