Hacker News on 30 December 2020

• Show HN: PSX Party – Online Multiplayer Playstation 1 Emulator Using WebRTC
• Four-day week means 'I don't waste holidays on chores'
• Amazon still hasn’t fixed its problem with bait-and-switch reviews
• Ask HN: What's a side project you built to make money that hasn't?
• How We Built the GitHub Globe
• Oxford-AstraZeneca coronavirus vaccine approved for use in UK
• HTML5 still doesn't replicate what mattered about Flash
• Israeli startup claims Covid-19 likely originated in a lab, willing to bet on it
• Clams filter the water and check whether the water is polluted or clean
• Ditching Excel for Python in a legacy industry