What are some recent powerful startups? The only ones I've seen are AI grifters (not even useful AI) and Polymarket/Kalshi, which makes me cynical; although I'

What are some recent powerful startups? The only ones I've seen are AI grifters (not even useful AI) and Polymarket/Kalshi, which makes me cynical; although I've seen some decent startups that are small (i.e. non-powerful) but nonetheless profitable.