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Newer screens packed with pixels are great for detail, but only if software can take advantage of them.
Fiddling with one part of the HTML standard could ensure that bandwidth isn't wasted delivering big images to small screens and that pictures look good on Retina displays.
Browser makers had been settling down on one way to pick the best images for everything from tiny mobile phones to Apple Retina displays, but a new proposal has muddied the waters again.
Microsoft wants to show developers what's in store with Internet Explorer so they can build better Web sites. The move is just what Google and Mozilla already do.
Don't expect a resolution to the Web standards fracas next year, but high-res images will happen, and new browsers might carve out a niche.