Are Google Glass travel guides the future of travel guidebooks?

As wearable computing is set to be the Next Big Thing, companies are asking how they can embrace this trend in innovative new ways. Many will be game-changing. What if you could walk around a foreign city with a virtual tour guide? One of the first to market is Tourism Radio, which currently has a Kickstarter campaign to raise money for the project. But it's easy to see how this idea just might change the future of travel guidebooks.