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Microsoft and Amazon Show Alexa and Cortana Becoming Friends

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Photographer: Daniel Berman/Bloomberg
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Microsoft Corp. and Inc. may be competing with each other in the cloud-computing market, but in the realm of voice-controlled personal assistants, Cortana and Alexa are forging a friendship.

On Monday, the two companies showed the fruits of a collaboration announced last August to let Amazon’s Alexa and Microsoft’s Cortana talk to each other. In a demonstration, Cortana executive Megan Saunders used Alexa to order milk and then had the assistant wake Cortana to check her schedule and send email.