Details on Google's Project Glass haven't been the easiest thing to come by since the wearable computing effort was announced earlier this year, but Google execs have been getting a bit more talkative and eager to give demonstrations as of late. You can now add product lead Steve Lee to that list, who's given a fairly wide-ranging interview to Fast Company on the project's origins and its future. Not surprisingly, he confirmed that the early prototypes were a fair bit bulkier -- starting a laptop in a backpack -- and that even the current