Apple retail head John Browett hasn’t exactly had a sterling reputation at his past gigs, Ars Technica reports. And despite that, he’s been able to keep Apple in its place as the most productive retailer, according to a new study. The company earns $6,050 per square foot of retail space, which is more than twice the next-closest retailer, Tiffany’s. [Source: Ars Technica]