Some articles about USB on Hackaday recently:

• The USB Type-C Cable That Will Break Your Computer
• An “unbusy” USB-C Port Doubles-up For JTAG Programming
• All About USB-C: Introduction For Hackers
• USB-C For Hackers: Build Your Own PSU
• USB-C For Hackers: Program Your Own PSU
• USB And The Myth Of 500 Milliamps
• Ubiquitous Successful Bus: Version 2
• Ubiquitous Successful Bus: Hacking USB 2 Hubs