Why augmented reality is expected to be four times bigger than virtual reality — from networkworld.com by Colin Neagle
Although virtual reality products like Oculus Rift have attracted more attention lately, augmented reality devices like Google Glass might have more potential in the market.

Excerpt (emphasis DSC):

Among the use cases Merel listed for AR going forward is “a-commerce,” a new term that he called a “cousin of e-commerce and m-commerce” and which Digi-Capital forecasts to account for a significant share of all AR revenues. Presumably, a-commerce would mean that an AR device like smart glasses would project information like promotions in nearby retail stores or detailed product content along with the ability to make purchases directly from an AR app.