Akamai talked about it in the early 2000s. Facebook content folks had a decent paper describing the latency collection and realtime routing around 2011ish, some

Akamai talked about it in the early 2000s. Facebook content folks had a decent paper describing the latency collection and realtime routing around 2011ish, something like “pinpoint” I want to say. Though as you say was industry practice before then.