Amazon is a technology giant specialized in e-commerce. It is the second largest e-commerce marketplace in the world. However, Amazon offers not only online sales but also electronic devices and tablets like Kindle Fire, computing services. Moreover, digital content like Amazon Prime service, where people can watch movies and TV series. More than 100 million members use Amazon Prime worldwide. Also, Audible, created by Amazon is the largest selection of almost half of a million audiobooks to buy and to listen online. In 2017 Amazon was the most popular online store in the United States. We would like to post reviews of the Amazon devices and gadgets.