David Arnoux is Head of Growth and co-founder of Twoodo, helping_teams organize using simple #hashtags. “It was a disaster. I missed the last metro ride home, and I had run out of cash for a taxi. I had to walk for two hours to get home! And it was pouring rain. Worst – night – ever.” “I’ll never go there again! Cockroaches all over the bathroom, stains on the bedding and the stairs had no light. And we were on the 6th floor with no elevator! And they wouldn’t give us our money back. I was furious!” “Buying the upgrade...

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