Amid the buzz over futuristic innovations like flying taxis and AI butlers, the Mobile World Congress in Barcelona, Spain, also spotlighted the foundational breakthroughs powering the AI revolution. The fair, which opened on Monday, has been a fiesta set for the future promising everything from unmanned flying taxis to predictions of robot intelligence surpassing human intelligence. As the world's premier mobile technology gathering, the fair drew more than 2,800 exhibitors and 1,200 speakers this year. At the four-day event, a Chinese supplier of optical preform, fiber and cable, YOFC, unveiled its brand new innovations. Its new hollowed-out fibre optic cable, which can be laid up to 8,000 meters under the sea. The company works on the next-generation cabling. Longsys, a Shenzhen-based memory card and microchip maker that helps run smartphones, wearables, and AI-driven tools, also showed their latest products. The company is gearing up to meet the demands of the AI boom. The next giant leaps in artificial intelligence demands the greatest scale-up in power generation that the world has ever seen, driving fast innovation in microchips that are bringing humanity closer to the era of quantum computing and the exciting possibilities of mindblowingly fast computing. Shotlist: Barcelona, Spain - March 3, 2025: 1. Various of attendees at 2025 Mobile World Congress (MWC); Barcelona, Spain - March 3-6, 2025 2. SOUNDBITE (English) Zhuang Dan, president, YOFC (starting with shot 1/ending with shots 3-4): "We have the vision to connect every corner of the world by optical fibers. So that's our commitment, our vision. So that's very crucial for artificial intelligence. So that's the reason we call it the next generation optical fiber."; 3. Sign showing "YOFC"; 4. Various of visitors, products on display; SHOTS OVERLAYING WITH SOUNDBITE Barcelona, Spain - March 3, 2025 5. Various of visitors interacting with tech products; Barcelona, Spain - March 3-6, 2025 6. Booth of Longsys; 7. Visitor learning about Longsys' products; 8. Products on display; 9. SOUNDBITE (English) Huang Qiang, vice president, Longsys (ending with shot 10-11): "We have invested a lot, continue invest a lot on R and D and production, manufacturing side in the past years. So we are ready to enhance this huge, this huge opportunity with our technology leading products."; 10. Longsys' products on display; 11. Visitor trying on pilotless flying taxi; Barcelona, Spain - March 3, 2025 12. Various of robot on display, visitors. [Restriction - No access Chinese mainland]