In other news, I got caught up on unit tests for my CSS engine. It's not 100% coverage, but I squashed a few errors.
And if you want to know how CPUs work, I really like https://invidio.us/playlist?list=PLowKtXNTBypGqImE405J2565dvjafglHU , though it's a long watch. He illustrates all the fundamental concepts by building an 8bit CPU out of "breadboard" components.
Oh yeah, and I think I found an app to contribute to once I get back from my conference: https://github.com/manexim/news
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