"These included indoor GPS"

Added on by Daniel Kuney.
To understand what went wrong, we need to travel back a few years to Mountain View, Calif., deep inside the sleek offices of Google. There, amid the colorful campus logos and swaying sycamore trees, the company’s founders and a handful of trusted executives came up with a list of 100 futuristic ideas.

These included indoor GPS and a project called the Google Brain.
— Nick Bilton, Why Google Glass Broke: http://www.nytimes.com/2015/02/05/style/why-google-glass-broke.html

Indoor GPS? Sounds like a product I would want. Has the added advantage of not making you look creepy or people wondering if you are recording them in the bathroom.