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!
“Unlike other ways to learn, I am not worried about forgetting what I learned in the future, because I know there’s someone who will always remind me to review the key parts at the right time points. And it’s not just a feeling. According to the result of reviewing, I think I do have memorized most of them reliably.” — Kevin