37 Signals is confusing... This is cool marketing, the play on the word slack is clever but I thought they were going to focus on moving away from a SaaS business model and this seems to (imho) focus on growing their flagship product which is still a SaaS app.<p><a href="https://once.com/" rel="nofollow">https://once.com/</a> for context on what 37 Signals view of the future of software was (is?) 11 months ago.