I have read "quantum computing for the very curious" and I found it impressive, its a great article and a great way to teach. For your records, here are the few downsides I found :

- Some questions seem to be of little relevance (I am not interested in memorizing an Einstein quote for life but I have no way of signaling it).

- The order of the questions is deterministic within a session (I always get some related questions on after the other).

- I received no email notification when "How the quantum search algorithm works" went out.