Hacker News on 11 February 2021

• Beej's Guide to Network Programming (1994-2020)
• MasterCard to open up network to cryptocurrencies
• America's 1% Has Taken $50T From the Bottom 90%
• Dyson air purifier outperformed by cheap DIY box fan filter in Marketplace test
• Why I Built Litestream
• Kubernetes Failure Stories
• System76 Launch Configurable Keyboard with Open Source Code
• Uncovering a 24-year-old bug in the Linux Kernel
• TurboTax Tricked You into Paying to File Your Taxes (2019)
• Rust 1.50