How to go private on twitter
Naturally, when you Tweet, you're communicating it to the world. You could make a terrible joke to your 170 supporters, get on a plane, and when you land, figure out your Tweet became a web sensation and presently you're out of a task — that is in a real sense what has been going on with Justine Sacco. Anything you say on Twitter is in the openly available report. That is, except if you make your Twitter account private.
Source: techstory.in