ArmageddonLord writes: "Small, out-of-pocket cash exchanges are still the stuff of everyday life. In 2010, cash transactions in the United States totaled US $1.2 trillion (not including extralegal ones, of course). There will come a day, however, when you’ll be able to transfer funds just by holding your cellphone next to someone else’s and hitting a few keys—and this is just one of the ways we’ll wean ourselves off cash. In “The Last Days of Cash,” a special report on the future of money, we describe the various ways that technology is transforming how we pay for stuff; how it’s boosting security by linking our biometric selves with our accounts; and how it’s helping us achieve, at least in theory, an ancient ideal—money that cannot be counterfeited." — IEEE Spectrum
...though his invention worked superbly -- his theory was a crock of sewage from
beginning to end. -- Vernor Vinge, "The Peace War"