yes
she has to follow you
nope. You can't send them direct messages but you can mention them on one of your tweets.
You can't send group direct messages.
Yes they can.
Yes, you can tweet anyone, in any country.
no because police and FBI can get into it. Also hackers.
Click on Messages on the top of the page.
Because they don't like when people send them nasty messages so you can only tweet them I hate it hope they change that
To send messages and follow people, yes, you need an account.
Guys & Gals now you can send Audio Messages to Friends,family and your favorite Actor on Facebook and Twitter via Social Talkies http://bit.ly/suJAnP - Send messages now
If you go on to there official site you will beable to send them messages or if you go on there twitter page they reply back to youu :D
You can send him messages either through the AeroForce one message boards or Steven's twitter.