Imagine it’s 800,000 BCE. You’re sitting with friends who have just discovered fire. They’re cooking their food, unlocking nourishment and energy in ways no one thought possible. But you don’t understand fire. No one showed you how it works. So you keep eating raw meat and tell yourself it’s fine. Slowly, though, the gap widens. Your friends thrive. You fall behind. Digital fluency is the fire of our time. It is no longer optional for students, and it is no longer something teachers can be...