Hacker News on 18 February 2021

• Before buying a NYT subscription, here's what it'll take to cancel it
• Perseverance Rover lands on Mars [video]
• Judge: Citibank isn't entitled to $500M it sent to various creditors last August
• Starlink is now Accepting General Pre-orders
• There’s no such thing as “a startup within a big company”
• NASA's Perseverance Mars Rover: touch down confirmed
• Nvidia announces mining GPUs, cuts the hash rate of RTX-3060 in half
• Mitigating Memory Safety Issues in Open Source Software
• Zsh Tricks to Blow Your Mind
• California State Legislator Introduces Bill to Decriminalize Psychedelics