A barcode is a machine-readable image that can be used to identify the object to which it is attached, and information about that object, such as its price, weight and the date it was created. I use my iPhone to scan the barcode on my textbook to see how much I can sell it for on Amazon.
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- Understanding the Mobile Wallet MarketShoppers with a mobile wallet app can start using their smartphones to make payments at any store that uses a near-field communication reader available at checkout. Lots of companies, from Google to startup Venmo have entered the mobile wallet market, and yet consumers are slow to adopt this new payment method. What’s behind the lack of popularity? Will mobile wallets ever become the norm? This Knowledge@Wharton article – with KWHS commentary from young Silicon Valley tech whiz Daniel Brusilovsky – explores these questions and more.