I have been the customer of Amazon for last 5 years.Earlier when I bought any item from Amazon.in I got notified about shipping delivery and expected time for delivery.sometimes they delivered the product after the expected delivery time, sometimes too late.once I received inferior quality product.I complained but they acted so late. I moved to other options for purchasing products online.With the time I noticed that they are improving especially in terms of app feature.Payment methods made easy, timeline system is nice, wallet feature is also good for faster checkouts.Also the Amazon Prime service is really impressive.I ordered 6 books and a smartphone last month but they delivered exactly at the same time as stated.Also quality of products was as per expectations.Good job Amazon carry on!