The hardware for early versions of virtual immortality exists now. You could document your daily life using tiny video cameras embedded in eyeglass frames. They could be linked to IBM's latest hard disk--it's the size of a quarter and could be housed in a pendant. It stores 300 megabytes of data, enough to hold 30 days of your life. But by 2005, says David A. Thompson, a fellow at IBM Almaden Research Center, a full year should easily fit on such Lilliputian disks.

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