Hacker News on 9 January 2021

• Pfizer vaccine appears effective against mutation in new coronavirus variants
• When Amazon Switched from Sun to Linux
• You've Been Referred Here Because You're Wrong About Section 230 of the CDA
• Ask HN: Show me your half baked project
• Why mmap is faster than system calls (2019)
• AVIF support enabled by default in Firefox 86
• Google suspending Parler from the Google Play store
• Pesticide believed to kill bees is authorised for use in England
• Haskell is a Bad Programming Language (2020)
• Signal gaining popularity in India after WhatsApp policy changes