Tested in: FF4, Chrome 13, IE6, IE7, IE8, IE9, Safari 5 OSX, iPad(IOS 3.2), iPhone(IOS 3.2 & 4), Android 2.1, Opera Mini 6 †, Opera Mobile 11*
† Fails in Opera Mini. Inputs don't layout correctly and the labels are "undefined"
* Exhibits HTML spec behavior in Opera Mobile 11: Placeholders disappear on focus.