请总结以下文本为100字左右，并突出作者的观点或评论。 requester suggests this is not an article but a review or commentary. In this piece, the author discusses the complexity of contemporary social media usage, arguing that while it connects people globally, it also fragments communities, creating so-called 'echo chambers' where people mainly encounter like-minded opinions. The author is critical of how social media companies prioritize profit over user well-being, leading to issues such as misinformation and cyberbullying. Despite these concerns, the author believes in the potential for positive change if there is a paradigm shift towards more ethical and responsible use of these platforms.
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作者评论了当代社交媒体的复杂影响，认为它在实现全球连接的同时，也导致了社区分化，形成了“回音室”效应，让用户主要接触到同类意见。作者对社交媒体公司为追求利润而忽视用户福祉的做法持批评态度，此类做法引发了错误信息传播和网络霸凌等问题。不过，作者也寄希望于通过向更加道德和负责任的平台使用方式转变，从而实现积极变化。
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