From the post:
Our designers set their sights on the main Mad Men characters with that in mind, choosing an everyday symbol from their daily lives and transforming it through a 21-century lens. While most of these folks would be doing very similar work today, the tools they use to get it done would be quite different. (Just imagine what Peggy could accomplish with a MacBook at her disposal.) Read on to see what a difference a half-century can make.