Philips' 4GB, 3cm optical disc

Philips has come up with a 3.2cm optical disc that can hold a whopping 4GB of data. The tiny new discs, which can apparently be made for just pennies, should become available in a couple of years. The technology itself is based on Philips' Blu-ray standard, which will bring greater density to DVD-sized discs.

It will be interesting to see what kind of portable devices we have in a couple of years that will take advantage of small storage media with this kind of density. If the standard catches on, cell phones and PDAs could end up with some very nice video playback capabilities, but there's no word yet on whether the discs can withstand a full permanent press cycle. I just know this is the kind of thing I'm going to forget to take out of my pocket.

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