Interesting thread.
Hypothetically, SMS would be nearly ideal payment option IF:
- the carriers wouldn't charge you to death and you could use this at the rates comparable to a third party CC biller
- you could bill up to 100 USD / charge that would appear on your phone bill
- you could authorize re billing without having to confirm every time a new charge is to be done
Of course there's the 18+ authorization and lot of restrictions regarding telecommunications locally in every each country, so this is very unlikely to happen.
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