As of 2020Q1, several hundred users have demonstrated 1+ month of retention for QCVC
“I’ve only done your first quantum country course (so far) but I find it remarkable that I can view the proof and follow it, knowing what everything means. It’s almost like Neo in The Matrix telling Morpheus, ‘I know quantum computing’” source
“Doing the review sessions gives me what it promises to do, I guess. It is the confidence that I will remember the material and will be able to juggle the facts effortlessly. Although I already had a little prior experience with quantum computing, I benefited from the essays a lot. It went smooth and solidified my knowledge which was previously quite shaky and had too much white spots before. I’m very grateful for this mnemonic essays experiment existence.” — Dmitry Urbanovich Re: Hello from Quantum Country!