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I do not collect personal information about visitors to this site.
Jumba, my hosting company, provides me with some very general statistics, but these do not include personal information. 
Google will put adverts on some of the pages of this site.  Google's privacy policies can be found at:  "" title="">
I am not responsible for the adverts that the Google algorithm puts on this website.  Some of these are relevant to the page, but many of them are totally irrelevant.  Some are actually ludicrous in their irrelevance, and serve to illustrate how poor even the best computer algarithms are in matching adverts to page content.
Google's employees do their best to improve these algorithms.  The fact that the algotrithms are so poor is not the fault of these hard working people, but is a illustration of how far we are from genuine artificial intelligence.

At least I have been able to get rid of most of the adverts for weight loss.  Some of these border on the offensive, and in promising unlikely results are skirting the edges of the law, and are certainly outside acceptable business ethics.
I will put an advert next to this.  It will be interesting to see what the Google Adsense Algorithm chooses for this page: 
The Google Adsense algorythm is better at selecting relevant adverts for some sites.  One that has better matched adverts is
Larry Page and Sergey Brin, Founders of Google

By Ehud Kenan (originally posted to Flickr as 100_0334) [CC-BY-2.0 (], via Wikimedia Commons.