"Share" button may share your browsing history, too
"One in 18 of the world's top 100,000 websites track users without their consent using a previously undetected cookie-like tracking mechanism embedded in 'share' buttons. The researchers traced 95 percent of canvas fingerprinting scripts back to a single company." 
The whole story is here: Computer privacy: Share button may share your browsing history, too -- ScienceDaily
.
The whole story is here: Computer privacy: Share button may share your browsing history, too -- ScienceDaily
.
.