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![Dragana Calija](https://ph-avatars.imgix.net/1464023/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
Dragana Calija
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Definitelly great to improve team spirit.
Pros: Great tool for Scrum Master in the company and Team Lead.
Cons: Sometimes people are note confident that their mistake is on big screen.
Happio F*ckUp Wall
Free app to help teams to actually learn from their mistakes