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The number of Potto's books downloaded

It is inpossible to obtain the exact number because there are over 300 different web sites that post Potto's books on their web sites (without permission). Furthermore, there are numerous torrents with Potto's books which do not provide any statistics.

The numbers that are coming from the potto.org statistics include downloads done by robots but also proxies. These statistics possibly include repeated downloads by same individuals but from different computers. However, it looks like these two conflicting facts are offseting each other. Hence, the number obtained for potto.org statistics is a good reflector.

Google shows Potto Project books to be the top in almost any search relate these areas which is additional validation. Perhaps the stronger indicator is that the books are posted by over three hundred websites that make money off Google's ads.
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About Potto Project

Potto Project NFP is Non-Profit organization created by Dr. Genick Bar-Meir and friends to build open sourcesoftware and open content textbooks for college students.Over 1,000,000 (million) Potto Project books have been downloaded from 175 different countries since 1995.

Potto Project is under open content licenses, which means that you will always have the freedom to use it, make copies, and improve it. You are encouraged to make use of these freedoms and share the textbooks and program with your family and friends!

Copyright (C) 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003 Dr. Genick Bar-Meir.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or later or Potto license.
Site feedback please mail to potto at ibiblio dot com
This material is Open Knowledge