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Hubzilla Development Pinboard.in is a social bookmarking site, similar to Delicious. It's an unusual company, as internet companies go. First, it's run by a single individual, Maciej Cegłowski. Second, it accepts no ads, and no third party tracking. Third, Ceglowski directly charges users money for the service. Initially, the fee was a one-time fee based on the formula (number of users * $0.001)--about $5.00/year. Currently, it's about $11/year for a regular account, and $25/year for an archival service which stores a copy of the bookmarked page and enables full text search. The site began in 2009, and currently makes about $259,000/year in revenue.
Is anyone doing paid Hubzilla hosting yet? If not--given Ceglowski's experience with Pinbooad--it seems like it might be a workable business model that's consistent with the ethos of Hubzilla's community.
See screenshot:
https://blog.pinboard.in/2017/07/eight_years_of_victory/ 
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