Great thought experiment. Here's my ideas. Obligatory drug users. Physically, we can't survive long without antibiotics. Mentally, fewer and fewer of us choose

Great thought experiment. Here's my ideas. Obligatory drug users. Physically, we can't survive long without antibiotics. Mentally, fewer and fewer of us choose to subsist within society while sober. Obligatory device users. We'll lose the ability to organise spatially as working environs shrink, physical objects rush toward disposable generics, warehouse operations become unseen automatons, and rituals as familiar as packing objects in to a vehicle become lost threads of unrelatable culture-history in a world of carry-on only rent-an-Uber. Obligatory supermarketeers. On the whole, we've lost the ability to grow or forage for food, to correctly recognise seasons for planting and harvesting, or to slaughter and butcher an animal. Obligatory ready-meal purchasers. Many people have lost the ability to cook. Obligatory fast-fashionista. Nobody makes or repairs clothes anymore, instead reaching for convenience purchase. One could go on...