The kid had a plan: put up some music videos of his band on YouTube, plug into Google’s AdSense program to run ads alongside, make enough money to buy instruments, play music, get rich and go buy a mansion. Great plan! One little hitch: he got AdSense confused with AdWords. Read more: https://nakedsecurity.sophos.com/2016/10/10/12-year-old-gets-e100000-google-bill-after-confusing-adwords-and-adsense/