At first I would give them to my closest friends and family, because they trust me not to giving them something bad.
But for those, whose families aren't excited about internet business, I would distribute cards to random people, like leaving a card on a bus or in a restaurant, so people can find it and wonder what it is.
I would put them in TC envelopes and send them around the world, so that people find "a gift" in their mail and check out what this is.
Or I would make online advertising with a promise of a 12$, so people who are interested can give me their email and I send them the codes, or even a card directly by mail.
Those are my ideas for TC cards and hope you find them interesting.
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At first I would give them to my closest friends and family, because they trust me not to giving them something bad.
But for those, whose families aren't excited about internet business, I would distribute cards to random people, like leaving a card on a bus or in a restaurant, so people can find it and wonder what it is.
I would put them in TC envelopes and send them around the world, so that people find "a gift" in their mail and check out what this is.