They send more than that, have you checked out the code? Every time you do an install Google gets to know about it: <a href="https:&#x2F;&#x2F;github.com&#x2F;Homebrew&#x2F;brew&#x2F;blob&#x2F;acc9a7ca8554bc2413dee2d6d0f407b3a59c628c&#x2F;Library&#x2F;Homebrew&#x2F;formula_installer.rb#L207" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;Homebrew&#x2F;brew&#x2F;blob&#x2F;acc9a7ca8554bc2413dee2...</a><p>Maybe this is sufficiently private, maybe not. I&#x27;m not a security expert.<p>Maybe GA&#x27;s fingerprinting heuristics are advanced enough to know that because user 1034324234 installed spacemacs at 4:01 and I visited the spacemacs documentation at 4:01 that there&#x27;s a decent chance I&#x27;m user 1034324234.<p>Decent enough to see if the pattern happens again. After a few rounds of this, it&#x27;s close enough to serve me ads based on user 1034324234&#x27;s install patterns.<p>:shrug: doesn&#x27;t sound crazy to me.