Science fiction or reality? Xpeng announces the first commercial model of a flying car

Allbirds is a tech-enabled shoe company that raised a series of venture capital rounds since mid-2015, per Crunchbase data. And it’s going public.The Exchange explores startups, markets and money. Read it every morning on TechCrunch+ or get The Exchange newsletter every Saturday.The company’s IPO would be something we’d cover regardless of how it fit into — or didn’t — a particular trend that we’r