Facebook fights terrorism with A.I., Amazon Dash Wand returns with Alexa

In today's tech news, Facebook explains how it uses artificial intelligence to stop extremist content, Amazon adds Alexa to the Dash Wand, and Google is making it easier to backup your files online. Subscribe to CNET: http://cnet.co/2heRhep Check out our playlists: http://cnet.co/2g8kcf4 Like us on Facebook: http://ift.tt/1930vfU Follow us on Twitter: https://www.twitter.com/cnet Follow us on Instagram: http://bit.ly/2icCYYm Add us on Snapchat: http://cnet.co/2h4uoK3
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