So you're hooked on to MSN, logging dutifully on ICQ and can't get enough out of Google Talk. What do you do? Switch on to Trillian and stay 'Globally Connected' with friends on every single messenger on the planet? What is the impact instant messaging is having on our lives. Are only young people addicted to instant communication and e-mail and is it fast becoming a second favorite. Do corporate executives fancy this tool as best internal communication? Why are people in the grip of IMs? How you use IMs?