Cal Henderson on “How We Built Flickr”

“One of the most interesting parts of the whole enterprise for me was his articulation of some clear levels of abstraction between database work, business logic, page logic, page mark-up and the presentation layer. It’s not an enormously novel set of distinctions I guess, but the level of clarity about each area really appeals to me. It’s an architecture that really supports the rapidly iterative way of operating that I enjoy and think is core to developing great online applications.”