What potential drawbacks should users consider when using Facebook as their primary communication platform?
将 Facebook 作为主要交流平台时，用户应考虑哪些潜在缺点？
Facebook has faced criticism for its handling of user data and privacy concerns, and the platform can become addictive, potentially affecting mental health.
Facebook 因其对用户数据的处理和隐私问题而饱受批评，而且该平台可能会让人上瘾，对心理健康造成潜在影响。