https://blog.p2pfoundation.net/how-billionaires-are-made/ Researching, documenting and promoting peer to peer practices Sun, 01 May 2016 15:07:06 +0000 hourly 1 https://wordpress.org/?v=5.5.17 https://blog.p2pfoundation.net/how-billionaires-are-made/comment-page-1/#comment-1576675 Sun, 01 May 2016 15:07:06 +0000 https://blog.p2pfoundation.net/?p=55755#comment-1576675 If you could only write off a portion of advertising expenditures many of these billionaires would be left without a business model.

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