Auto-filling forms is cool. Unless, of course, you give away more data than you thought you were. The basics It's pretty simple, actually. You just add an autocomplete attribute to your <input> and give it one of the predefined values. And off you go. For example: <input type="text" autocomplete="given-name"> When the browser sees this, it offers to autofill the value for the user. Yup, the autoco