Walmart is hell-bent on sticking around and not going the way of Macy’s or other brick-and-mortar companies that have fell victim to the burgeoning world of e-commerce and the likes of Amazon . In its latest move to stay relevant in the world of e-commerce the company announced Thursday, Jan. 5, that it would buy online shoe seller Shoebuy.com from Barry Diller’s IAC/InterActiveCorp for $70 million.