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by vessenes 3746 days ago
Children's advertisements did this in the 1980s in the US with pay-per-minute numbers. The ad would offer to connect children to Santa if they held a phone up to the television. DTMF -> 900 number -> profits.
2 comments

People at NPR were joking later that they should just ask listeners' devices to send them money during a fund drive.
Ha! True commercial phreaking. I love it.