Amazon is most popular ecommerse website. it gives delivery of the product on time.
Amazon also gives premium delivery if someone want to product one or two days.
Amazon also start service of cash on delivery. it gives more discount on books .
and thousands of products are available on amazon.it gives service of returning product if the product is default or defective and gives right product.amazon have a big store of books, DVD, software, vedio games, electronic itam, mobile and PCs.