ANAHEIM, Calif. — Without as many traditional Internet A-listers as years past, VidCon, an annual social media conference for creators and their fans, seemed unusually quieter this year. That is, ...

These days, “mcyt” starts trending on Twitter at least once a week. It’s an acronym for “Minecraft YouTuber,” but that’s a bit of a misnomer. Yes, there are YouTube videos — many with absolutely ...