Did Warby Parker shift the entire retail model?

[youtube http://www.youtube.com/watch?v=jJSKGUPou8w&w=600&h=315]

A big discussion in retail the past three to five years has been "brick and mortar" vs. "online," as if those ideas were two completely disparate worlds that could never possibly interact. That's how places like Wal-Mart and Best Buy initially seemed to approach it, but now even the big-sto…