Earlier quoted context omitted.
It's a testament to this advertising machine we're currently posting on.
It's actually fascinating along those lines how much of a halo is around something that you read everyday and pay attention to. For example I don't read reddit and never have. If I sat on a plane next to someone important from reddit (except for Alexis) I could care less. But if I sat on a plane next to someone from YC (or even a top commenter on HN) I would definitely be all into talking to them because of the halo.
Rarely is an audio concept given such a fitting visual analogy. Those in an echo chamber do seem to reverberate, or glow, with the energy that surrounds them.