29 January 2015
Shell's chief executive admits he won’t persuade everyone that drilling in Alaska is a good idea.
Internet giant Google reports fourth-quarter profits of $4.76bn, up nearly 30% from the same period a year before, but revenue misses Wall Street expectations.
Shares in the Chinese e-commerce giant Alibaba fell 7% after sales fall short of targets
Retailer Argos is to open ten pilot digital stores in Sainsbury's that will aim to offer a broad range of general merchandise.
Rory Cellan-Jones visits a building where microchipped workers gain entry and use photocopiers by holding up their hands - and trials the tech himself.
Last Updated at 00:52 ET
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