Wal-Mart is kicking off the year with the acquisition of ShoeBuy.com, an online shoe retailer that competes with Amazon ‘s More telling are comments from Wal-Mart’s head of e-commerce, Marc Lore, who said Jet and Wal-Mart will likely pursue more acquisitions like ShoeBuy. In particular, he pointed to “categories where they are long-tail, high-margin products and harder-to-crack brands.”