Hacker News on 7 February 2022

• Show HN: SHA-256 explained step-by-step visually
• Thank You, Valve
• You can change your number
• Finding the average of two unsigned integers without overflow
• How a middle aged CS major debunked a classic positive psychology finding (2013)
• IRS to ditch biometric requirement for online access
• Can a $310M startup avoid due diligence?
• Ten Years of ThinkPadding
• Our nation cannot censor its way back to cultural health
• Amazon more than doubles max base pay to $350k