A product designer at M. I. T. who created a working prototype for such a wallet seems to think so, and he may be on to something.

麻省理工学院的一位产品设计师设计的这款钱包原型产品看来就是这么考虑的，他或许参透了其中奥秘。

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T: Oh no! I think I did, I left my wallet in the taxi.

T：哦，我想是的，我把钱包忘在出租车上了。

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That"s when I realized that I didn"t have my wallet to get my car out.

可这是我发现因为我没带钱包，我的车提不出来。

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The once lauded (at least in our hearts) savior of all things computing has, in real life, provided us with lackluster and even controversial performance gains, while battery improvements haven't been revolutionary and the prices still aren't exactly wallet-friendly.

ENGADGET: Vista, OS X updates could bring significant SSD speed gains

Don't waste your wallet space with gas credit cards.

WSJ: Gas Credit Cards Offer Few Rewards

Google Wallet hasn't had much uptake in the real world.

ENGADGET: Google Wallet update purportedly leaks plans for a real-world card, transfers and transit passes