Mercado Libre

Mercado Libre, Inc. (literally "free market" in Spanish, and known as Mercado Livre in Portuguese) is a multinational company of Argentine origin based in Buenos Aires dedicated to electronic commerce in Latin America.
Users can sell and buy both new and used products at a fixed or variable price, plus private services are offered. Mercado Libre also has a service called Mercado Pago, a platform for charging buyers and payments and credits to sellers. Although their headquarters are in Argentina, their main and profitable operating markets are Brazil and Mexico, where they even operate with their own line of aircraft included.