"We'll discover patterns all over the place you never knew were there--how traffic works, how flu moves through a population, " he says.

FORBES: Totally Wired U.

Viewing the works as they were never meant to be seen, at eye level, we discover the thoroughness of Gaddi's craftsmanship, in the care he devoted even to sections invisible from below.

WSJ: A Heavenly View From On High | Basilica of Santa Croce | Agnolo Gaddi | By Francis X. Rocca

Of course, now that we're in on the joke, we're supposed to realize that coming back online to discover one of our other selves has been hawking a coffee bar we've never even visited isn't a violation: It's sort of funny.

CNN: The joke may be on Zuckerberg