4 ms·
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 t
by vessenes 11y 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.