Hacker News on 10 February 2019

• On Being a Principal Engineer
• PKI for busy people
• Show HN: Learn C and its lower levels interactively, in the browser
• The Case for Transmissible Alzheimer's Grows
• Space Colony Art from the 1970s
• An ex-YouTube whistleblower on their recommendation engine
• Google Edge TPU Devices
• Brave browser can inject headers in HTTP requests
• Wayland misconceptions debunked
• Why Swift for TensorFlow?