You clearly never implemented any of the above stupidity with file input styling and overlays and passthrough of events, and different unchangeable widths of file inputs you had to account for in various versions of browsers, and bugs in specific browser versions, and discontinuity in the input field clickable surface so part of the button is not clickable for no reason whatsoever to the user, so that everything works as expected in E6+IE7+IE8+IE9+FF1+Sfari,... to think it's even comparable on the hackiness scale.