Simple solution to ensure ride safety on @Uber @lyft etc: driver's phone app displays a QR code on pickup, passenger scans with their phone to confirm it's their actual driver 👌
Earth is a computer built to evolve increasingly intelligent neural networks.
Imagine going back in time to explain that everyone now carries a magical device that lets them communicate with friends instantly and provides easy access to all the world’s knowledge and entertainment.
Also: constant complaints that we spend too much time using these devices.