Cluster RCT finds mobile instant messaging exercise reminders did not significantly boost lab-verified smoking cessation at 6 months.

Instant messaging (IM) conjures up images of bored teenagers using a software-based gossiping tool. Most IM programs are free, and few competing products can talk to one another, making skeptics ...

Consumer instant messaging products,most notably, AOL's Instant Messenger,have addicted millions of users who have taken their IM habit from home to work, where security concerns immediately cropped ...

Before the days of iMessage, WhatsApp, and RCS texting, instant messaging (IM'ing) ruled the roost - here are six iconic clients that defined the era.

Tens of millions of Americans use "instant messenger" programs to communicate at work. It's like e-mail, only faster. Get ready for the next development in the form — video instant messaging. Some ...

A new vulnerability in Yahoo’s instant-messenger program can potentially cause unwanted code to run on a PC, according to security researchers. Details of the vulnerability were first posted on a ...