1/ Seems like there's an obvious "right answer" to how to structure digital content for sale online, but nobody has a service with this UX:
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2/ Initial membership fee based on size of archives, valued with a discount factor (so old content has lower weight than new)
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3/ Recurring monthly/weekly fee that is variable up to a ceiling (from $0 to $9.99 say) based on the amount of content posted that period
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You can't keep either producer or consumer honest with tech. You can only offer options for the honest.
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Also note that if you stuff with crap to drive up initial membership fee, you will also bleed existing members
