https is great, and I'm glad most web traffic uses it. However, sometimes you want http. Example: when teaching low-level socket programming, plain http is the

https is great, and I'm glad most web traffic uses it. However, sometimes you want http. Example: when teaching low-level socket programming, plain http is the easiest place to start. Example: when providing simple, nonsensitive, read-only info via API, the overhead of https and certificate management seems unnecessary.