By the mid-2010s the internet was basically built out. V.C. doesn't have enough $ to fund huge capital-intensive things, so it funded either A.I./ML stuff, or gig-economy, disrupt-the-physical-world sort of stuff.
1. Scale up and fund more capital-intensive stuff like advanced manufacturing or biotech
2. Become tech-focused PE firms that take over old companies and turn them into tech-savvy companies