On Twitter, you can invite your msn contacts to join Twitter.
There is written up on the right "Find People".
If you want to, yes.
You can't.
Yes. It is possible. By doing a quick username search on Twitter you will be able to find the Noticias24 page which has approximately 370,000 tweets and about 1.7 million followers.
Yes they can think of what you are doing on twitter, telling the world what you are doing when you are doing it so if your too detailed then someone could stalk and or find you. Even if you arent to detailed someone you know can stalk you because they can find out were you shop and hang out in and around the neighborhood.
Click on their profile and then on their "following" list on the right hand side of their profile.
No, you can't email someone on Twitter. You can direct message them (if they follow you), however, which is kind of like emailing someone.
There is no such thing as a "Twitter spree." Maybe it's a reference to someone using Twitter excessively.
To do a retweet on Twitter by someone famous you can either use Twitter's in-built retweet function or type 'RT@username' where username is the famous person's username on Twitter and press 'tweet'.
FW on twitter means to forward something to someone else