When my son, Ian, was 3, I bought him a cellphone. It had three buttons: "Call Mom," "Call Dad" and "Call Grandma." He was young, but it helped us feel better he could reach us in case of an emergency ...

Millennial parents are no strangers to acronyms. In fact, Millennials and Gen Xers are credited with making "LOL" (laughing out loud) so popular on instant messenger, that it eventually earned a spot ...