Is Kindle the most popular eBook reader?

Ebook reader software allows consumers to read ebooks on electronic reading devices. The popularity of ebooks has caused an increase in the ebook reader software available to consumers. Some popular platforms include Amazon Kindle and Barnes and Noble Nook software. Most types of ebook reader software packages only allow consumers to download books offered by the maker of the software. For example, individuals with Kindle software can only download books offered by Amazon.