Hollie implores parents to be more thoughtful about the videos they share of their kids. I’ve been very circumspect about the photos and videos I’ve put online of my own kid. But I confess — and am even a little ashamed to admit — that Hollie’s framing never occurred to me. I was concerned about protecting him from corporations now and in the future that might gather up all those photos and videos as part of some profile that they could wield against him for their own benefit. Holli...