Hacker News on 3 April 2021

• 533M Facebook users' phone numbers and personal data have been leaked online
• Lithium battery costs have fallen by 98% in three decades
• How Doctors Die (2013)
• My NAS exposes itself over the internet without permission
• “Why We Sleep” Is Riddled with Scientific and Factual Errors
• ShipMap
• China pressured Concordia University to cancel event with Uighur activist (2019)
• Lawsuit against TSA and DEA over airport seizures achieves first victory
• The cesspool of the internet is to be found in a village in North Holland
• GitHub investigating crypto-mining campaign abusing its server infrastructure