How floats work is a non-trivial part of my 3rd semester CS course (Computer Architecture) in the US, I'd imagine the same applies to every other good college.
As someone genuinely passionate about technology who sees the 90% in it for just the easy money at college, I'm very happy. Less superficial monetary incentive means people who are truly passionate about the craft will have more of an opportunity to shine.
Individual Geocities pages are not valuable landmarks, but Geocities as a whole - the aesthetic, the community, the history - is definitely something to preserve. And the cost of saving all of Geocities is a tiny fraction of any physical monument.
Can someone ELI5 why MBTA has to trust the balance stored on the card in the first place? It seems like this whole issue would go away if they just kept the balance on the server and flagged cards that did not corroborate.
BitTorrent is a great example of GPs idea, but neither that nor IPFS will work across those latencies in their current state.
Some distinction will definitely be needed between 'requesting from earth' and 'loading from your roommate' in the UX. Early implementations might even centralize cache-state.