Blockchain, the key technology behind Bitcoin, is a new network that helps decentralize trade, and allows for more peer-to-peer transactions. WIRED challenged political scientist and blockchain researcher Bettina Warburg to explain blockchain technology to 5 different people; a child, a teen, a college student, a grad student, and an expert.

This is a useful video as much for thinking about how we share ideas as it is for understanding the blockchain.

Liked It's the (Democracy-Poisoning) Golden Age of Free Speech (WIRED)
Discussing the democratic problems with YouTube and Facebook, Zeynep Tufekei argues that we can decide how we want to handle digital surveillance, attention-­channeling, harassment, data collection, and algorithmic decision­making, we just need to start the discussion.
Liked When It Comes to Gorillas, Google Photos Remains Blind (WIRED)
Google’s caution around images of gorillas illustrates a shortcoming of existing machine-learning technology. With enough data and computing power, software can be trained to categorize images or transcribe speech to a high level of accuracy. But it can’t easily go beyond the experience of that training. And even the very best algorithms lack the ability to use common sense, or abstract concepts, to refine their interpretation of the world as humans do.