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Food-share apps seeking to help environment

Jack Convery pops into a London branch of Italian eatery Coco di Mama to grab a cut-price lunch ordered on his smartphone's food-sharing app Karma.

Google debuts mobile-pay service in second try

Google's answer to the Apple Pay mobile-payment service is debuting in the U.S., marking a do-over by the company behind the world's most-used operating system for smartphones.

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