What do you get when you give one billion consumers cellphones? A new growth strategy. In its fiscal third quarter ended March 31, 2016, Estée Lauder posted a 70% gain in e- and moble commerce sales, and 10% of the company's business in China was done online. In comparison, Estée Lauder's total retail sales in China increased 8%, a far cry from the 20% gains it posted in the past. To get growing again, Estée Lauder will diiversify its brand portfolio in the region along with a geo...