In particular, a lot of super cool next-gen transportation: electric planes (Heart Aerospace), jetpacks/bikes (Jetpack Aviation), hydrofoil cargo ships (Boundary Layer Technologies). Also seems to be a big focus on India, China and Africa, and a big increase in the proportion of bio/med-tech companies. There are even two (2) companies turning CO2 into cool stuff (Prometheus turning it into gasoline and Saratoga Energy converting it into nanotubes).
Feeling very optimistic about the future and looking forward to reading what Day 2 has in store.
Bonus: seems to be a handful of Harry Potter themed company names (not counting Centaur of course).