Startup funding has definitely cooled off, but there's a lot of debate about how dire the slowdown is.
Some startups with good numbers are still having no problem getting funded, and there's a lot of money sloshing around for early (seed-stage and Series A) investments. At the same time, later stage investors who were funding bigger companies at crazy "unicorn" valuations have slowed down a lot, and startups with poor numbers are having trouble getting follow-on rounds.
