Not long ago there was very little choice when it came to using images online for web sites. You could either pick GIFs for solid/graphic elements, or JPEGs for photos. That was pretty much the entire story for the 90s and much of the early 2000s. So what has changed since then? Not much. The PNG format is gradually becoming more mainstream, but it still hasn't taken off. No doubt this is because of its lousy support … read on »