In 1999, hundreds of companies made a madcap dash to the public markets, capturing the imaginations of everyday Americans who thought they could day-trade their way to fortunes. Startups like Webvan and eToys were suddenly…

People browse inside the IKEA Concept Center in Delft, the Netherlands, in 2016. (Yves Herman/Reuters) The interwar German art movement remains influential. We all know the look: that sleek, simple, even utilitarian aesthetic that unites…