Last spring I asked, "Will safety ever be baked in to social apps?" Well, it's actually starting to be. Let is a perfect example. A social app (mostly on Apple's iOS phones) with an overwhelmingly teen-aged user base that launched last March, its L.A.- and Marseilles-based creators seem to have grown a digital community in which teens and young adults, mostly girls, feel safe and help each other … [Read more...] about An app for teens that promotes (& gets) positivity