I've already got my ten-year-old a ProtonMail account set up already, as well, for when she actually starts needing one.
"But dad, everyone just uses Gmail, and--"
"NOPE. Oh, and let me see your phone. Wha-...? You still use Hangouts for texting? Oh, honey..."
@yeahmate12 Yep. We weren't going to do it until she was older, but it's looking like she'll be getting to school with a group of neighbourhood kids next school year, so we want a bare bones call-and-text package with zero data for her so she can let us know where she is when.