Which data are you talking about? The only thing I know of that's similar to that is how Mozilla has Google Analytics on some pages as part of the Firefox inte

Which data are you talking about? The only thing I know of that's similar to that is how Mozilla has Google Analytics on some pages as part of the Firefox interface, but there they have a contract restricting how the data is used: https://bugzilla.mozilla.org/show_bug.cgi?id=697436#c14 https://bugzilla.mozilla.org/show_bug.cgi?id=697436#c14 (Disclosure: I work for Google, speaking only for myself)