Sposable — Review and improve a document
https://sposable.com/labs/review-a-document/

Verified facts: a pilot had 12 participants; 8 returned feedback; 6 of those 8 said the session was useful; no productivity measurement was collected; another pilot is proposed but not approved.
Draft: “Our revolutionary programme boosted productivity for everyone. All 12 participants loved it. We are launching weekly sessions next month. This proves the approach works.”