For something as ephemeral as instant message, there's no real lock-in to speak of. The migration path is: 1) Grant your users access to the new tool 2) There

For something as ephemeral as instant message, there's no real lock-in to speak of. The migration path is: 1) Grant your users access to the new tool 2) There is no 2. Pain only comes when you're storing organizational knowledge in an instant message tool.