Image recognition is still one of those things that humans find easy to do but computers keep stumbling over. Some Google researchers published a paper describing progress they are making in teaching computers how to identify famous landmarks, which may eventually be applied more broadly to image search in general. In a blog post, Jay Yagnik, the head of Cmputer Vision Research at Google, writes: While we've gone a long way towards unlocking the information stored in text on the web, there's still much work to be done unlocking the information stored in pixels.