You’re in the store, staring at a row of toothbrushes and wondering if you need to buy one or not. It seems like you just bought a toothbrush, but you also can’t remember how long you’ve used your current toothbrush…
You’re in the store, staring at a row of toothbrushes and wondering if you need to buy one or not. It seems like you just bought a toothbrush, but you also can’t remember how long you’ve used your current toothbrush…