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"Second screen experiences on mobile devices are nothing new -- just ask many TV viewers -- but two-way interaction is frequently limited to completely in-house efforts like SmartGlass. Microsoft wants that kind of integration to spread, so it's teaming up with Polar on a web app that demonstrates the Companion Web, where pages on one device control and complement pages on another. Polar's app lets viewers register their opinions of a TV show from their phones, and watch as a matching site on their tablet or TV reflects both the vote and the page position. The Companion Web demo isn't as elaborate as experiments like Google's Map Dive, but it does show that browsers don't have to be novelties in the living room -- especially once features like the Xbox One's Snap Mode come into play."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2013/07/17/microsoft-and-polar-show-their-vision-of-the-companion-web/>