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e03179 writes "A friend of mine stumbled across this site from the US Library of Congress. The website allows users to view maps that go all the way back to the 1500's (like this one of America in 1562). The maps have been converted to digital form (SID format - viewer available here) but are viewable in .GIF form in your browser. I was able to look up my hometown during 1871 and see the church in which I'm getting married. Who thought the LOC could be so 31337?"

MrP- writes: "BetaNews is reporting that a company called LizardTech has developed a new image format for the Web called DjVu." Apparently, it differentiates between forground and background components of an image, and compresses each appropriately. Good idea, but I'm skeptical of improvements (especially because they say it's "20 times faster then gifs" -- which measure compression in terms of speed? And they also say it compresses faster then pdf, but pdf isn't really an image format). No Linux support. And I don't see any source code on the format, so don't expect it to get a lot of support on any major Web sites, regardless of the compression.