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Technology Stocks : WDC/Sandisk Corporation

WDC 181.44

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3:59 PM EST

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To: john david martin who wrote (1389)	11/8/1997 6:39:00 PM
From: A.J. Mullen	Read Replies (3) of 60323

Mike, Jerome & all, allow me to play Devil's Advocate. I learn faster that way, at the expense of annoying some. There are already some very nifty handheld GPS systems for pilots that provide moving map displays. These are updated using an RS232 port. Versions that are permanently installed use data cartridges for this purpose. Easy updating is desirable because of changing radio frequencies and restricted areas, etc. These would seem to be an ideal place for flash memory. I think they currently use 'virtual memory' which is lept alive by a tiny battery that lasts a couple of years. Where is the advantage of a flash card? They've been doing fine using current technology. The size of GPS devices are limited by the size of the screen and they are already able to hold masses of information. The whole world is available. True you wouldn't want to lose your data base due to battery failure at a crucial moment, but you need power to display the info anyway. If GPS units have got by for a while without flash memories (or with limited flash memories?), are they really so essential for smart phones? Much of the info proposed for smart phones is similar to that provide by GPS units and they are of comparable size. Surely the power required to maintain a virtual memory is tiny compared with that reqired for the phone?

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