Hacker News on 20 February 2022

• Show HN: Test your shape rotation skills
• The fastest GIF does not exist
• Be anonymous
• Things that used to be hard and are now easy
• Game Boy Wordle clone: How to compress 12972 five-letter words to 17871 bytes
• Vijayanagara – The Last Emperors of South India [audio]
• Why babies cry in the first three months, how to tell them apart, and what to do
• Server-sent events, WebSockets, and HTTP
• Fengari – Lua for the Browser
• A pentester gets root - step by step example