Analyze the growing threat of deepfakes and AI-driven misinformation on [SOCIAL MEDIA PLATFORM], focusing on recent case studies from [YEAR]. Highlight how bad actors exploit [SPECIFIC AI TOOL] to spread disinformation, and propose countermeasures for platforms like [TARGET COMPANY]. Include ethical considerations and potential regulatory frameworks. Use a formal tone suitable for a [TARGET AUDIENCE] audience, such as policymakers or tech executives.