a16z partners Olivia and Justine Moore unpack the latest in consumer AI including: - Grok’s “Imagine” and its instant, social-first creative tools- Google’s Genie 3 and the future of 3D worlds- GPT-5: what’s new, what’s missing, and why some want their old chatbot back- AI-generated music from ElevenLabs- Olivia’s vibecoded Jensen Huang selfie app