Hacker News on 25 December 2019

• T * sin (t) ≈ Christmas tree (2013)
• Windows 95 UI Design
• Merry Christmas HN
• Show HN: Made this with my daughter to help kids ages 2 to 4 learn logic
• Tell HN: I used to be homeless and want to work as a software developer
• Grumpy Website – a blog about everything wrong with modern web & tech
• Counterfeits on Amazon cost Warren bird feeder business $1.5M
• Ruby 2.7
• Learning hardware programming as a software engineer
• Go through your family's phone settings and turn on all the privacy features