Hacker News on 23 April 2018

• Now Is the Perfect Time for an RSS Renaissance
• Why it took a long time to build the tiny link preview on Wikipedia
• MIT Researchers Have Developed a ‘System for Dream Control’
• Renting is Throwing Money Away, Right? (2015)
• Show HN: Giving a Broken Barcode Scanner a New Life with Elixir and Nerves
• The Many Ways Google Harvests Data
• Underestimating the mind-warping potential of fake video
• An Introduction to Hashing in the Era of Machine Learning
• Qt for WebAssembly Technology Preview
• How Windmills as Wide as Jumbo Jets Are Making Clean Energy Mainstream