Like e-mail, instant messaging has become a part of our lives, at work, at home, at school, on the go -- even on our mobile phones. We take a look at four top chat apps, all of them free, and weigh ...

VK, the company that operates ICQ, the long-standing instant messenger known for notifying users when they receive a message with a high-pitched 'Ah-oh!', has announced that it will shut down on June ...

About 20 years ago, I started driving co-workers within listening distance crazy with constant chirps of “Uh oh!” emanating from my laptop. It was all coming from a nifty little program I’d discovered ...

Apollo IM, the first native instant messaging client for the iPhone (see our previous coverage here and here), has been released as version 1.0, bringing with it a new interface and support for the ...