URL to search Google minus Adsense/Adwords ads: google.com/search?output=googleabout. Or add these lines to Windows HOSTS file to block analytics tracking...
reacTIVision is an open source, cross-platform computer vision framework for the fast and robust tracking of fiducial markers attached onto physical objects, as well as for multi-touch finger tracking.
Data Mining vs Privacy. Large amount of data available in digital form. Statisticians query data to mine useful trends. Potential for privacy breaches. Stanford University course.