We reached the end of an Internet era just a few weeks ago. The American Registry for Internet Numbers (ARIN), the body that distributes Internet addresses in North America, announced it had exhausted its pool of numbers based on the IPv4 standard.

I often hear VCs say that they don’t back products, they back platforms. I find that logic backwards and in many ways dangerous for founders. Platforms can provide a durable competitive advantage, and it’s easy to understand why startups would want to create one.

Graphene, everybody’s favorite wonder material, has yet another trick up its sleeve. The ultra-strong, highly conductive carbon lattice is extraordinarily good at detecting faint and high frequency sound waves.

Black Friday is over, but there are still a ton of great deals waiting for bargain hunters on the web. Amazon has a particularly good sale for anyone who wants a great Motorola phone on the cheap. The international GSM version of the second-gen Moto G (that’s the 2014 model) is now $99.

Online ad networks and search engines love it when you surf around. Everything you do—every page you load, every query you type—helps them build a profile of you, the better to sell ads targeting your interests. Spy agencies are probably also happy to track your online moves.

Google appears to be planning to test its Project Loon Internet balloons across the entire United States, according to recent documents filed with the FCC. They will be placed high in the stratosphere, 9 miles above the ground.

America’s most secretive court has now named its five amici curae—friends of the court—who will act as an outsider public advocate at the Foreign Intelligence Surveillance Court (FISC).