This is pretty cool. I made a really basic example, but in doing it, I could imagine playing around with having the colors or orientation change with the data as well. And it might make for cool transitions too. That obviously get way too complicated pretty quickly, but it'd be fun to see what you could come up with that might work.
Yeah, I generally agree about pie and donut charts. I thought about unrolling this one, so that the inner most circle would just be one long bar, and each successive step would just be an adjacent bar. I'm not sure that makes it better (and might make it worse, since the whole thing might end up being really tall).
There might be a clever way to do this with a tree map, but it wouldn't be particularly intuitive to read.
We love what Segment is working on. It's a big step towards different companies sharing a common schema, which means that analysis built on that schema can be portable across companies, and doesn't have to be redone by everyone. To that end, we partnered with Segment by released a series of open-source queries and visualizations that work for any Segment customer (or anyone with a similar schema): http://about.modeanalytics.com/playbook/
(I made the graphic) - Unfortunately, there's obviously no data on the pitches that VCs see. There could be ways to halfway infer it - for instance, founder age tends to be different by industry (https://modeanalytics.com/benn/reports/a43fb710b2ef). If you look at how one VC's investments in one industry differs from overall investments in that industry, you might be able to somewhat control for the different pitches VCs see. But without more complete data, drawing any conclusions beyond things like "YC founders are young" is tough.
It's not just that the immigrant and minority communities served by shadow transit lack access to public transportation - those areas are also severely underserved by cabs.
Doing the same thing for basketball should be pretty easy (but like you said, it may not be quite as interesting because there are a lot fewer players). I'm going to try to put that together this weekend and see how it looks.
https://modeanalytics.com/benn/reports/a4515d9b9024