RT @fredericdubois@twitter.com

This call for papers is about the collaborative platform economy, from things like The Online Meeting Co-Operative (BigBlueButton) to The Phone Co-Op (Messaggio)... and many more. Deadline in 11h! Submit your abstract!!! cc @platformcoop@twitter.com https://twitter.com/PolicyR/status/1289142771912237056

🐦🔗: https://twitter.com/fredericdubois/status/1289151929252274176