The latest burst of recriminations directed at social media emphasizes the harm that can be done to teenagers. Frances Haugen, a former Facebook Inc. product manager turned whistle-blower, says executives at Facebook are aware of research showing the company’s Instagram photo-sharing platform in particular can be detrimental to teenage girls with body-image issues. Even before the pandemic increased the time most people spend online, many parents worried about attention-sapping “screen time” warping child development.
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