Google's augmented reality goggles were a flop several years ago -- when intrepid explorers wore the devices in restaurants and bars, sparking reactions ranging from disapproval to outright violence -- but they have become very welcome in the workplace. Their success in a host of business settings led The Team at X on Tuesday to announce an expansion of its Glass Enterprise Edition program. The latest version of Glass looks like a pair of safety glasses, but it's really a small, lightweight wearable computer with a transparent display.