Ten Machine Requirements To Satisfy Essentials Of Joint Activity post 
The machine ...
- [ ] changes and augments, rather than replaces - [ ] interacts, not separate or invisible - [ ] indicates status and intentions - [ ] conveys misalignment even when unaware - [ ] changes when directed - [ ] helps people adapt system to keep working - [ ] guides, but does not force, attention - [ ] conveys events without disruption - [ ] conveys details and the bigger picture - [ ] conveys multiple different perspectives
See also Automation as Team Player