Hacker News on 5 July 2019

• California law banning bots from pretending to be real people without disclosure
• How the Dat Protocol Works
• Is this Paypal experience customary?
• Monte Carlo methods – Why it's a bad idea to go to the casino
• Raspberry Pi 4 not working with some chargers
• Bladder cancer 'attacked and killed by common cold virus'
• Wringing
• How FZF and ripgrep improved my workflow
• Understanding Kafka with Factorio
• 81% of 'suspects' flagged by Met's police facial recognition technology innocent