I thought the post by slack was arrogant - https://slackhq.com/dear-microsoft-8d20965d2849#.7qmtf2po6. Let's experiment if we can build a set of apps to migrate just everything from slack.
- Users
- Channels
- Channel Messages, with users & files.
- Private messages?
- messages with bot? :O - too ambitious.
- Everything - it should be bye bye slacky