After the dominance of URLs, we're entering the platform era where more design diversity online is not necessarily better, Jon Lax, director of product design at Facebook, suggested at the design event Semi Permanent in Sydney Friday. Increasingly, companies, news outlets and many others are providing their services by building in and on top of outside mobile platforms and operating systems that dictate how they should look. Mashable Australia sat down with Lax after the event to discuss how he sees the future of digital design in an era where Facebook and others act as aesthetic gatekeepers. Get the full story at Mashable