As inflation soars, Facebook drives trading in Argentina's barter clubs
https://www.reuters.com/article/us-argentina-economy-bartering-insight/as-inflation-soars-facebook-drives-trading-in-argentinas-barter-clubs-idUSKBN1JV1BG
At an abandoned train station in Buenos Aires' working-class suburb of San Miguel, hundreds of Argentines gather with bags of clothes, rice, flour and sugar to trade.