My high-school-age daughter is using Khan Academy to learn about logarithms for her math class. She was telling me about it, and I thought "hmm, maybe I should

My high-school-age daughter is using Khan Academy to learn about logarithms for her math class. She was telling me about it, and I thought "hmm, maybe I should finally figure out what Big-O actually means". Now here we are! I guess we'll both be on KA tonight.