Inc. (AMZN) - Get Report and Microsoft Corp. (MSFT) - Get Report announced a partnership that will allow the company's two digital assistants to better coordinate with each other. 

Amazon's Alexa will now be able to activate Microsoft's Cortana and vice versa. 

"Ensuring Cortana is available for our customers everywhere and across any device is a key priority for us," said Microsoft CEO Satya Nadella. "Bringing Cortana's knowledge, Office 365 integration, commitments, and reminders to Alexa is a great step toward that goal."

Alexa was first introduced in November 2014 while Cortana was announced six months later as part of the company's smartphone. 

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