Frequency as in the alternating current alternates direction fifty times a second (or sixty in some countries), not as in power usage is consistent throughout t

Frequency as in the alternating current alternates direction fifty times a second (or sixty in some countries), not as in power usage is consistent throughout the day. This didn't change the frequency. (Disclaimer: I haven't finished watching the video yet.) EDIT: Oh, snap. Seriously? You're right, I'm wrong. Sorry.