An oldie but a goodie: this Bagcheck blog post contains a whole bunch of useful links to lists of mobile device testing suites.
Luke enumerates the reasons why Bag Check has a separate desktop website rather than one responsive URL for desktop and mobile. They’re good reasons but I think they could all be addressed with some clever conditional loading, especially seeing as the site was, of course, built mobile first.
This is a fascinating take on progressive enhancement from Luke: for a service-based site, the equivalent of Content First is API first …literally a command line interface as a baseline.
Luke unveils his new service: a way for people to share their collections of things.