Log in to your account and go to settings. Then, click on the last tab called "Connections". From there, you can click "revoke access" for any of the applications there to stop them accessing your account.
Yes you can block people. Go to their profile and click "block"
Revoke the applications access on Twitter.
Go to their profile and click "block"
No it doesn't.
You can block Aaron Carter on Twitter to stop him from following you.
block twitter on your computer and on your phone
Follow @UltimateRONAN on Twitter Thank You ;)
to have a twitter you must be at least 13 years of age. this is because twitter does not block out bad language and inappropriate pictures.
use the link it will teach you how to get twitter on your phone its pretty easy you have to use one of the applications
No.
Schools block social networking websites.
Go to their profile and click on the "block" button.