Google just signed the deal that could allow its Glass wearable computing device to go mainstream. The company has announced a partnership with Luxottica, the eyewear manufacturer behind a host of brands including Ray-Ban and Oakley, to design and produce an exclusive collection of eyeglass frames that incorporate the technology. To start, the deal will be limited to the US market, and focus on Ray-Ban and Oakley. According to a FAQ provided by Google, design will be a joint effort between Luxottica and Google, while Luxottica will handle manufacturing and distribution.