In reply to Juan P. García.

Thanks for the comment!

I threw in the option to lock out your tweets because some on Twitter may be using the service just to communicate with a group of friends and may or may not be wanting to share their tweets with the world. Yes, if you have a cool link, a limited few can see it. But I was hoping to give options that people on all levels of the 'privacy spectrum' could relate to. Whether someone wants the world to read their tweets or they just want five friends to do so, I hope this article is helpful to those people in some way.