The document predicts 20 jobs that could exist within the next 20 years due to advances in various fields like science, technology, and medicine. These potential jobs include body part makers, nano-medics who administer nanotechnology treatments, and old age wellness consultants who help with anti-aging treatments. The document also speculates about other future jobs like memory augmentation surgeons, climate change specialists, and virtual lawyers who handle legal issues involving people in different countries and legal systems.