Celebrities are a fickle bunch and I barely pay attention to the myriad of hookups, divorces, make-ups, and re-marriages that seemingly happen on a daily basis. This case is however special, considering micro-blogging service Twitter is being blamed for the break-up of on-and-off couple Jennifer Aniston and John Mayer.

The Telegraph reports that Aniston (40) plugged the plug on their relationship after discovering Mayer (31) spent hours on Twitter, despite telling her he was too busy to get in touch with her.

A source had this to say:

“John suddenly stopped calling her or returning her emails and when she would finally catch up with him, he’d say: ‘I’ve been so busy with work. I’m sorry I haven’t had time to call you back.”

The source added: “Jen was fuming. There he was, telling her he didn’t have time for her and yet his page was filled with Twitter updates.

Mayer made no attempt to cover up his Twitters. That’s harsh player, posting 140-character messages when you could be spending time with arguably the best looking pins in Hollywood. Need I remind you, fool?

Mayer’s not going to get a piece of that ass any time soon, so now he’s sure to clog up with Twitterverse even more. Follow him if you must  – @johncmayer. And read the full article at The Telegraph – via Buzzfeed.