Yesterday Kotaku claimed to have been informed by a "reliable" source that PS4 won't offer any backwards compatibility with PS3 titles and will feature inbuilt anti-used games measures when it launches in time for the 2013 holiday season.

And now two images from a California-based design firm's website - which were labelled "Illustrations & Sketches for new PlayStation Orbis features", and have since been removed - seem to hint at potential features of the unannounced console.