When Facebook users logged on to the Find Friends Nearby site, they were supposed to be able to see friends and other Facebook users who were in close proximity.

CNN: Facebook pulls location-tracking feature

On the horizon, new data services such as GPRS (General Packet Radio Service) may make it cheaper for users to stay logged on to AIM all day.

CNN: AOL brings instant messenger to mobile phones

Users can be logged into the service on up to five devices at once - meaning all will ring if they receive a call - including handsets using Sim cards associated with different networks and internet enabled gadgets such as iPods.

BBC: O2's Tu Go aims to challenge Skype and other Voip apps

Her tutor, Francine Patterson, will translate questions between AOL users and Koko - who will be logged on at the Foundation research centre near San Francisco where she lives.

BBC: News | Sci/Tech | Net goes bananas

Messaging has already generated "millions of extra minutes" for Sprint, which has partnered with AOL in the United States, but the downside for users is that they must pay for as long as they are logged on to the AIM service.

CNN: AOL brings instant messenger to mobile phones

Unknown to users, the worm connects their PC to a custom IRC channel when they are logged on to a remote server while surfing the Web or reading e-mail.

CNN: New 'Trojan Horse' strain may go mainstream