For those whose wealth affords them everything, the ultimate prize is nothing. Nothing around them, that is, except the land they own. Panoramically open spaces, where nature and the elements play.

Buying busted apps made Bending Spoons’s four cofounders billionaires. Now their stakes have collectively jumped to $8.9 billion after the Milan-based startup scrap yard listed on Nasdaq at an $18.4 billion valuation.