I'm sure there's a lot more to this business than we can know from this fairly sunny writeup, but always good to hear about businesses that succeed outside of t

I'm sure there's a lot more to this business than we can know from this fairly sunny writeup, but always good to hear about businesses that succeed outside of tech on HN. A couple business lessons I took away from this account: 1) Know your market - she was a teacher and deeply understood the pain of finding ways to engage students in a hands-on way. 2) Hustle: "she hand-wrote tens of thousands of letters to teachers. She followed up by driving to 60 teacher supply stores." 3) Capitalize on your hits - their first really popular product was a book on health and nutrition called "My Body" that sold more copies than there are teachers in the United States and still sells today. 4) Evolve the business: as technology became more popular, they started making materials geared around tech and their 2nd big product was "Technology for Terrified Teachers"