http://classificados.folha.uol.com.br/negocios/2014/01/1396185-lojas-virtuais-vivem-boom-mas-vendas-sao-pifias.shtml

http://www.npr.org/2014/01/13/262087570/from-the-archives-1984-the-year-of-online-shopping

http://pando.com/2014/01/14/ecommerce-in-1984-innovation-is-never-pretty-at-first/