Hacker News on 30 May 2021

• Drunk Post: Things I've Learned as a Sr Engineer
• Amazon Prime inflates prices, using the false promise of ‘free shipping’
• Amazon refused to refund $7k after shipping an empty box instead of a Sony A1
• It's time for us in the tech world to speak out about cryptocurrency
• Overkill objects for everyday life
• Please commit more blatant academic fraud
• After a week at my mom’s house I'm getting ads for her toothpaste brand
• Ask HN: Alternatives to Google Photos?
• All the best engineering advice I stole from non-technical people (2019)
• “Computer science is not about computers”