Comments on: Google, Facebook & co. are not free! https://www.rene-pickhardt.de/google-facebook-co-are-not-free/ Extract knowledge from your data and be ahead of your competition Tue, 17 Jul 2018 11:07:57 +0000 hourly 1 https://wordpress.org/?v=4.9.6 By: List of Internet Business Models https://www.rene-pickhardt.de/google-facebook-co-are-not-free/#comment-21155 Mon, 13 Jun 2011 19:38:43 +0000 http://www.rene-pickhardt.de/?p=535#comment-21155 […] Data Trading […]

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