Most billionaires escape work on a superyacht. Google's Sergey Brin built a $450 million one with a giant office, a business deck and helicopter hangar

Google co-founder Sergey Brin owns a $450 million superyacht named Dragonfly. This impressive vessel features a dedicated business deck with an office and gym. The yacht also includes a concealed helicopter hangar for convenient arrivals and departures. Drago…