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Nope, took me a couple minutes to figure out. I went strait to ray tracing, then lightbox tracing, then finally debug tracing.

The front page is not very obvious, no.

My mind did go to debugging tracing, but the exact form of debugging tracing is not very obvious from the front page.

This is network tracing. It's been around a few years, started as zipkin

Ok, we'll add a network above.

Another one is circuit board tracing