Re:Germany vs. Facebook: Like Button Declared Illegal, Sites...
by finiteloop on Friday August 19, 2011 @05:18PM
(#2904945)
The purpose of the Like button is to enable you to share stuff back to Facebook when you click on it. We anonymize all logging data collected as a byproduct of serving the Like button and other social plugins within 90 days of their collection. See https://www.facebook.com/help/?faq=186325668085084.
Bret Taylor CTO, Facebook