KATY Perry’s Twitter account was hacked, with a number of offensive tweets and a leaked song being shared with her 89 million followers.

Twitter is making some big changes, at least in the context of 140 c-haracters or less.

TWITTER is reportedly set to make a big change to its 140 c-haracter count for each tweet.

Social media firm cuts access to Dataminr, a service used to identify unfolding terror attacks, political unrest

So Twitter now has a managing director in China - a Chinese woman who used to be in the military - and online activists on the open side of the Great Firewall are freaking out.