SPC GP @evantana on the -1 philosophy behind their newly announced $575 million Fund IV: "South Park Commons is about 10 years now, and the core premise has always been the same. Let's get a talent-dense community of really technical, ambitious, and talented folks who are exploring what we describe as the -1." "It can be, I'm trying to figure out what company I want to start. It could be, I'm trying to figure out if I want to start a company. And if I do want to start a company, which hill…