All Twitter users can now make a Twitter Circle with a curated list of users and send tweets that only that group can see.

Now that Twitter Circle has officially been rolled out worldwide (and appears to be working properly now), it's time to play with it. Here's how to use it.

Do you want to find anything instantly on your Android mobile? Google's 'Circle to Search' feature takes the way you search for things on your smartphone to a new height. With this feature, all ...