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"Do you know the differences between JPEGs, GIFs, PNGs, and other image filetypes? Do you know when you should use one instead of the other? Or which is best for storing your photos? How about the difference between lossy and lossless compression? If the answer to any of these is "no," you might be using the wrong image filetype! Here are the basics you need to know. (If you don't want to know the specifics, and just want to know which filetype you should use, skip to Which Image Filetype Should You Use? at the bottom.)"

"From the two-year old startup Sensopia, the MagicPlan iOS app is rolling out version 2.0 of its floor plan capturing application today, which allows you to hold up your phone then scan the dimensions of the room to create an instant floor plan. Once created, the plan can be exported to DXF, PDF, JPEG and even HTML for viewing on the web."