The world's biggest online social network, Facebook, knocked the world's largest retailer, Wal-Mart, out of the top 10 list of the highest-valued companies in the Standard & Poor's 500 index.
Tech giant Apple's abrupt about-face on paying royalties for songs during a three-month free-trial period for its new music service was a symbolic victory for superstar Taylor Swift and other artists.
Seven months after unveiling its voice interface platform to some previewers, Amazon is releasing Echo to the public. Among other things, Echo lets users control software apps with their voices.
New credit and debit cards with computer chips are putting the squeeze on small businesses, which lack the volume discounts on new equipment, and the tech experts, big retailers have.
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