Straphanger Noah Zerkin spotted Brin riding a downtown train on Sunday evening, holding a plastic bag and sporting a winter hat.
Keeping a company on the cutting edge is about more than making workers happy.
The app was created in a medical hackathon where it was programmed for medical purposes.
Google Glass may face some tough competition from a San Francisco-based company which plans to develop smart Bluetooth-enabled glasses that display HD video and are equipped with a global navigation satellite system.
With Glass, suddenly Google has become the hot new name in what is to be the rage of the future - wearable computing.
Many app makers have stopped work on their projects or abandoned them, mostly because of the lack of customers or limitations of the device.
'You don't need massive industry or huge energy resources.' 'You could start with just 3 or 4 people in a coffee shop and invent the world.'
In the next 3-5 years, the industry that is likely to experience the greatest benefit from smartglasses is field service, potentially increasing profits by $1 billion annually, Gartner Research Director Angela McIntyre said.
Google Inc announced a surprise overhaul of its operating structure on Monday, creating a holding company called Alphabet to pool its many subsidiaries and separate the core web advertising business from newer ventures like driverless cars.
Pichai and Page may prove to be a great partnership - one an ace executor and other a tech visionary
A car without brakes, accelerators or steering wheel - a driverless car is indeed a dream come true.