According to blogger Robert Scoble, he has heard from a source who tells him that Google plans on renting 6000 square feet inside every Best Buy store next year; the implication is that the area is being rented for Google Glass sales. Considering that the average Best Buy store is 28,000 square feet, perhaps what the source meant was that system wide Google was renting 6000 square feet of retail space from the big box retailer...
Source: http://www.phonearena.com/news/Google-reserving-space-at-Best-Buy-in-2014-for-Google-Glass_id46656
Source: http://www.phonearena.com/news/Google-reserving-space-at-Best-Buy-in-2014-for-Google-Glass_id46656