ePub

Primestock Photography/Shutterstock…

This article was translated from our Spanish edition using AI technologies. Errors may exist due to this process. Amazon's Kindle is the world's most popular e-book reader, light, versatile and high-quality,…

Amazon might be feeling the competition in the e-reader market for the first time since…well, ever. Kindle e-readers use their own proprietary Amazon format to display e-books, AZW3, which keeps most users from loading up a bunch of…