All this work involved very intense days working with people who barely knew each other yet it all became a rich and challenging experience in the end. We had plenty of fun while we were shaping up an impressive and reliable saving business model in only three days and without the urge to kill each other.

Quoting a Jake Knapp’s phrase to finish up:

“Longer hours don’t equal better results. By getting the right people together, structuring the activities, and eliminating distraction, we’ve found that it’s possible to make rapid progress while working a reasonable schedule.”Sprint: How to solve big problems and test new ideas in just five days.