.@pmarca on the "three-way Mexican standoff" between coders, PMs, and designers: "I'm seeing it in a bunch of the early leading edge companies in the Valley, they're circling around a job title loosely called 'builder,' or something like it. And basically the idea is that you had these separate jobs in the past of programmer, product manager, and designer." " I've been describing what's happening in the Valley companies as sort of this three-way Mexican standoff, where the programmers think…