What is Skype instant messaging?
Instant messaging is an alternative to talking with your friends on Skype – and like Skype-to-Skype calls, it’s completely free. Simply select a contact, type your message, send it and get an instant response. It’s great when you’re sharing information like a website address, too.
You can also have group IMs, where you can type real-time messages to lots of friends at the same time.