Is mobile technology making the world a better place? “In Brazil, a 500 MB data plan costs $35, and a minimum-wage worker would have to work 3.5 days to afford it. In Norway, home to Opera’s headquarters, a data plan 10 times this size would only cost a minimum-wage worker 2 hours of work.”
HTML5 canvas sub DOM – “content inside a canvas elements start and end tags is exposed to assistive technology users even when the browser supports canvas” by Steve Faulkner
getViewportSize.js – “getting accurate visible viewport dimensions across devices” by Scott Jehl