From GDPR in Europe to China's algorithmic regulation to US antitrust actions, the global regulatory landscape for technology is evolving rapidly. This article provides a comprehensive overview of the major regulatory frameworks affecting technology companies: data protection and privacy laws, content moderation requirements, competition and antitrust enforcement, AI-specific regulation, and digital taxation. For each area, it explains the policy rationale, key provisions, and practical implications for product and engineering teams. It argues that proactive compliance is not just legal necessity but competitive advantage.