How One Small Idea Led to $1 Million of Paid Water Bills | Tiffani Ashley Bell | TED | TED

Summary by TwinMind · 11m 57s

Summary by TwinMind · 11m 57s

Summary by TwinMind · 11m 57s

How One Small Idea Led to $1 Million of Paid Water Bills | Tiffani Ashley Bell | TED

How One Small Idea Led to $1 Million of Paid Water Bills | Tiffani Ashley Bell | TED

How One Small Idea Led to $1 Million of Paid Water Bills | Tiffani Ashley Bell | TED

TED

TED

TED

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