Global Network Latency in Fiber CC0 pixabay.com Source Destination Great Circle Distance RT Time in Fiber SFO London 5,375 mi 84 ms SFO Cape Town 10,124 mi 158 ms 1 ms at speed of light = Length of Massachusetts
After one second, your flow of thought is interrupted. CC0 pixabay.com Milliseconds 1 10 100 1000 10000 Not Magic Interrupted Too Late https://www.nngroup.com/articles/response-times-3-important-limits/