MEMPHIS, Tenn. — As a parent, you always wonder what your child is into. For some it's sports, others it's theater, but for a growing number of kids, their attention has gone virtual. “It’s now more ...

When Rebekah Wilson's then 6-year-old son, Ethan, began asking to play Roblox, the Maryland mom was skeptical. "I knew nothing about it," says Wilson. "We started with him playing only when we kept a ...