>If you lose your wallet PC, replacing the actual device may cost about what it does to replace a good camera -- several hundred dollars, at least -- so you won't want to lose yours.

>On the other hand, replacing almost anything "in" the wallet, from money to photos, will be simple and inexpensive because the wallet will contain only digital information that can be traced, replicated or retrieved from another location.

Love him or hate him, Gates had pretty damn good future sight back in the 90s. It turned out not to be a panacea (see recent events), but his focus on feeding a corporate world with money to burn made him a rich man very quickly.