Putting the squeeze on data

(PhysOrg.com) -- Data compression is one of the fundamental research areas in computer science, letting information systems do more with less. It`s the reason the iPod nano can hold thousands of songs instead of hundreds, and it`s what keeps transmitted images from choking the Internet. If every digital file is a string of bits - zeroes and ones - then compression is a way to represent the same information with fewer bits.

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