Amazon is a huge company, it has it’s branches all over the world. There are 2 websites for amazon amazon.in and amazon.com. As its a International company it has learnt to provide services through the global experience.
As a customer, I have always been satisfied with the product quality, delivery of product, after sale service and also the customer service that is provided by Amazon.
Amazon does reach out to its customers in all possible ways they have a app for android, ios as well as the windows store.Below are the links:
Link for android users: https://goo.gl/XCzd3d
Link for apple/ios users: https://goo.gl/8bZrdJ
Link for windows users: https://goo.gl/8AHwI7
Amazon also offers a new feature of amazon prime which offers free deliveries for 6 months and if the product qualifies for next day shipping, it will be also provided free of cost.
Amazon also has its ebook store and also a app store which offer free books and apps to.