All history this week for some reason.

• IBM Beam Spring: The Ultimate Retro Keyboard.  Pictures of original hardware.  (via)
• A bit of XENIX history.  (indirectly via)
• How 1500 bytes became the MTU of the internet.  (via)
• The Instruction Set Edition.
• Museum of Internet Artifacts.
• Remember “Reflections on Trusting Trust“?   40 years later it turns out Ken Thompson figured out how to backdoor the compiler and login.
• Enemies at the Gates.  About platforms and how they absorb value.
• Visual Studio Code is designed to fracture.  I had to explain to someone yesterday, unsuccessfully, how an open source SDK for a closed source project is useless.  (via)
• The print-on-demand version of 50 Years of Text Games is available.  It’s worth it.
• Making up a tabletop RPG.