1. Digital photography technology has come so far during such a short period of time that it is easy to forget that one of its benefits is putting more features and performance into an ever-smaller package. Such is Canon's reputation for its ELPH line of compact cameras; and one of the newest for 2012 is the Powershot ELPH 520 HS. It's the camera for anyone who wants a photo mighty-mite always at hand, but in the smallest possible footprint. At just 0.76 inches (19.2mm), the 520 HS i...