1. A prediction for 2023 I can use as evidence that I have traveled to the future. And provide trust to set me up for the next step: 2. An important message fo

1. A prediction for 2023 I can use as evidence that I have traveled to the future. And provide trust to set me up for the next step: 2. An important message for people currently in power in 2020s. Devised by the 2050s wisest people to persuade to avoid the big mistake we made. 3. And, well hoverboards yet?