This document discusses various marketing principles and ethical concerns related to search engine optimization, social media privacy policies, and smartphone internet marketing. It addresses how SEO can be used as a marketing strategy but also raises issues with misleading tactics. Facebook's privacy policy is examined, noting concerns about how personal information is shared publicly by default and with third parties. The rise of smartphones and mobile apps is also covered, specifically how this enables more precise consumer targeting but raises privacy issues regarding personal data collection and use. The importance of transparency, informed consent, and self-regulation to address these ethical considerations is emphasized.