Hacker News on 9 April 2020

• Signal threatens to dump US market if EARN IT act passes
• Why I’m Leaving Elm
• Swift: Google’s Bet on Differentiable Programming
• Ask HN: Recommend me a course on Coursera
• Open-Source Virtual Background
• Japan to fund firms to shift production out of China
• First trans-Atlantic contact made on 432 MHz
• Ask HN: How to properly manage a product roadmap?
• Temporal circuit of brain activity supports human consciousness
• Launch HN: Art in Res (YC W20) – Buy art directly from artists