I've thought about getting into this... The stuff they work on is so incredible to me.

Here's a quote from their Pillar product page:

> Up to a 95% Reduction in Latency: The roundtrip latency on NYSE Pillar order entry sessions via Pillar matching engines has been reduced from ~592μs to ~32μs for FIX and from ~96μs to ~26μs for Binary, getting client orders into the market much faster. With a 92% improvement in the 99th percentile latency results, clients can also have more confidence in improved performance consistency regardless of market conditions.

Reading stuff like this makes my current work feel stupid by comparison.