. Internet data, Vietnam ranked 18th of 20 countries with the largest number of Internet users in the world of first quarter of 2012. In particular, as of the date of 31/3/2012, Vietnam has 30,858,742. qualities of products.52% of customers feel that the price of products are reasonable.77% of customers is satisfied about the delivery.97% of customers feel that the payment methods are easy.38% of. that:Only 13% of customers access website at least one time a day.33% of customers is satisfied about the interface of website.41% of customers can easy find their desired products.64% of customers...