We collect information to provide better services to all our users — from figuring out basic stuff like which language you speak, to more complex things like which <a href="https://policies.google.com/privacy#footnote-useful-ads">ads you’ll find most useful</a>, <a href="https://policies.google.com/privacy#footnote-people-online">the people who matter most to you online</a>, or which YouTube videos you might like.