Launched by Amazon in November 2007, the Kindle was presented as a wireless gadget that allowed customers to acquire, save and later read ebooks, from wherever they met. At that time was priced at $ 399 and had an internal memory of 250 megabytes, storage capacity of 200 illustrated books and a screen 6 ". Today his last three models, Kindle 4, Kindle Touch and Kindle Fire.

The Kindle 4 was planned for release in August 2011, although it started selling in stores on September 28 of that year, distinguishing among other things, have the technology E-Ink Display, which allows users to read your ebooks with natural light, weather and glare. It also allows access to Amazon's online store using WiFi wireless connection for downloading books and applications. Moreover, the Kindle Touch began to spread long before the appearance of the Kindle Fire, but its release was delayed a little longer. Now available in the market with very attractive features and properties, such as its touch user interface simple and easy to use, convenience to change pages with a single touch as well as a significant increase in storage capacity of up to 3,000 ebooks. As for the Kindle Fire, its primary feature is that it allows function as a tablet and ebook reader at a very attractive price. Its design is very efficient and similar to the BlackBerry PlayBook, adding only a power button and the right size to fit into the pockets, its screen is also 7-inch touch but with ISP technology to read from different angles.

Considering the characteristics and prices of each of them, we can say that the Kindle Touch is more suited to less demanding users who ask only to read his books, on the other hand, if, instead of buying Kindle Touch , you want something more complete, surf the web, download games and applications, etc., without a doubt, the Kindle Fire is the right choice.