Somini Sengupta of The New York Times argues that with mobile phones containing "the essentials of what we need to make transactions," cash and credit cards will soon be a thing of the past. I love the examples of the "Post-Cash, Post-Credit-Card Economy" she gives below:
You walk into a cafe, order a macchiato, give your name to the barista and let him give you the once-over. That's it. Payment made.
At Home Depot on a purposeful Sunday, you load your cart with lumber and light bulbs and instead of pulling out your wallet, you type in your cellphone number and a PIN. Payment made.
In London, travelers can buy train tickets with their phones -- and hold up the phones for the conductor to see. And in Starbucks coffee shops here in the United States, customers can wave their phones in front of the cash register and without even an abracadabra, pay for their soy chai lattes.
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