If you’ve been disappointed about not getting an invite to the Glass Explorer program, Google may have some good news in store for you. The Verge has published internal documents that suggest the company is planning to open up sales of its high-tech eyewear for a short time as soon as April 15th. While the document was still only a proposal, it does show that Google is and interested in dramatically expanding the number of Glass users. Customers would still have to pay $1,500 for Glass, but promotion would reportedly include a free prescription frame or sunglass shade as part...

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