Shift wants to clean your apartment in New York City. No charge. The offer sounds generous. Cleaners arrive. They scrub, vacuum and organize. Yet a camera mounted on a hat records every motion. The footage feeds artificial intelligence systems training to handle household tasks one day. You get a spotless home. The company gets data. Everyone wins, according to its pitch. But the arrangement exposes a deeper tension in AI development. Real-world data for robotics remains scarce and expensive. Models that power chatbots feast on internet text. Embodied systems demand video of actual humans performing physical work in messy, unpredictable environments. Shift, tied to the German startup MicroAGI, turned that need into a business model. The Verge reported the promotion launched late last week. Promotional videos set to “Empire State of Mind” show uniformed workers tackling kitchens and bathrooms. Co-founder Bercan Kilic described the headgear as a “magic hat” that captures first-person perspectives. Real homes.…