Amazon and Microsoft creating a rare partnership between two tech giants. Microsoft will allow people to summon Cortana with Amazon's Alexa and vice versa. Ben Fox Rubin, Senior Reporter at CNET, says this might be a sign more smart speakers will be able to communicate with each other in the future. Amazon is also working to make its smart speaker Alexa more conversational, and developing this type of artificial intelligence is one of the most complex according to Rubin.