Spain-based Inditex, owner of the Zara chain, may be the planet's largest clothing retailer, yet it's no world-beater when it comes to online commerce. Inditex Chief Executive Officer Pablo Isla, who has overseen a big store expansion in Asia since taking over six years ago, is out to change that.Last September, Inditex launched a shopping site for Zara in Spain, the United Kingdom, Portugal, Germany, Italy and France. On Sept. 7, it will start accepting online orders in the United States, featuring such items as $79.90 super-skinny jeans aimed at Zara's target market of teens and young women.Inditex has long used purely promotional websites to draw attention to its Zara product lineup as well as other company-owned chains such as Bershka and Massimo Dutti. Its Facebook page has nearly 10...