Sortof, HN is slow because after the outage, a LOT of people are on HN. The servers seems overloaded.

Nice. very subtle reference to our dependability on google products. you can still link the YT lecture from a private session.

Truly Interesting Stuff there. Thanks for sharing it with the world.

Try Interviewbit.com It has an reward based approach which is hard to shake off once the streaks build up.