The app, hailed as Facebook’s growth engine, has privately wrestled with retaining and engaging teenagers, according to internal documents. https://ift.tt/3lJLZHV New York Times The app, hailed as Facebook’s growth engine, has privately wrestled with retaining and engaging teenagers, according to internal documents. https://ift.tt/3vvqiPf The app, hailed as Facebook’s growth engine, has privately wrestled with retaining and engaging teenagers, according to internal documents.By Sheera Frenkel, Ryan Mac and Mike Isaac from NYT Technology https://ift.tt/3vvqiPf
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