Will Microsoft's Cortana outsmart Siri?

Windows devices may get a more intelligent assistant, Roku to add Chromecast-like feature, and Google+ offers advanced photo-editing tools.

CNET Update wonders if Mr. Clippy is jealous:


In this episode of CNET Update:

- Get ready for an A.I. computer catfight between Apple's Siri and Microsoft's Cortana.

- See what Chromecast-like feature will be coming to Roku devices soon.

- Prepare for Samsung to push out TVs with a Tizen operating system.

- Play with new photo-editing tools in Google+ on the Chrome browser.


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