I came across this distinction in reading posts on the Read/Write blog site. This comparison is a clever way of describing a distinction that appeals to me. My personal priority in promoting ways in which students might benefit from technology is to use technology to explore the world around them rather than to attempt to create a digital world within which to explore. Each approach offers unique opportunities, but my opinion is that virtual experiences have yet to mature to the point that the efficiency and authenticity can match opportunities available within the physical environment available to all of us.