While wearing a pair, you could see directions to where you're going appear literally before your eyes. You can talk to friends over video chat or even buy a few things as you walk around.
In short, these glasses can do everything you now need a smartphone or tablet computer to accomplish.
Google gave a glimpse of what "Project Glass" might soon let people do in a video and blog post this week. The technology doesn't actually exist. Rather, Google wants to start a discussion and solicit ideas.
The glasses open up endless possibilities. But the project also hints at a minefield of challenges around privacy, practicality, even fashion sensibility.