https://blog.p2pfoundation.net/how-billionaires-are-made/2016/05/01 Researching, documenting and promoting peer to peer practices Sun, 01 May 2016 15:07:06 +0000 hourly 1 https://wordpress.org/?v=5.5.15 https://blog.p2pfoundation.net/how-billionaires-are-made/2016/05/01/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.

]]>