A Banner for Snap Inc. hangs on the facade of the the NYSE on the eve of the company’s IPO in New York March 2, 2017 701 × 468 Snap: messages vanish, young billionaires appear A Banner for Snap Inc. hangs on the facade of the the New York Stock Exchange (NYSE) on the eve of the company’s IPO in New York, U.S., March 1, 2017. REUTERS/Brendan McDermid