TikTok as an educational tool? Somehow it's working for my 13-year-old By The Washington Post TikTok as an educational tool? Somehow it's working for my 13-year-old. "Mom, how do you spell 'suspicious'?" my 13-year-old daughter asked me recently, not even looking up from her phone. Other than for meals, she had hardly made her presence known, so I figured it was the perfect opportunity to give her a hard time, before spelling it out. "How about I use it in a sentence? 'It's pretty suspicious that you've been on TikTok an awful lot lately.' " I was waiting for the predictable eye-roll, and to ...