Along the ways of furthering our understanding, it'd be really fascinating--if it hasn't been done already--to see a demographic breakdown of the YC founders.

For example, I notice that there don't appear to be any second-or-later generation African-Americans or Latino-Americans represented in the 40 women shown.

Similarly, it takes a little digging through all of the interviews to suss out whether they're immigrants, visiting, what they studied, whether they've had previous business experience, etc.