Google +1 tracks mouse movements?

According to the link, this is being used as a source of entropy to generate random numbers. Fascinating.

I'm not sure how often research papers reflect reality, but Bing may be doing this as well, according to this Microsoft Research paper: <a href="http://jeffhuang.com/Final_CursorBehavior_CHI11.pdf" rel="nofollow">http://jeffhuang.com/Final_CursorBehavior_CHI11.pdf</a>

Google Analytics does it too, which makes approx. 85% of all web sites you visit.

cute, but surely there are less intensive ways of generating random numbers?

Seems like overall, it's definitely code to help thwart gaming of the +1 system, as there is already a cottage industry that offers (presumably) automated +1 clicking services for money.

<a href="http://www.ghostery.com/" rel="nofollow">http://www.ghostery.com/</a> prevents it

Does the emperor wear any clothes?