first of all it is E-Reader... I don't know about the others but don't get a kindle.
I dropped mine from one foot and the screen went out.
an ereader is basically Nintendo events
Kindles and Nooks are both ereaders. The Kindle is manufactured by Amazon and the Nook by Barnes and Noble. They support different file types, but at a similar cost, they are more similar than different.
Not with any ereader only ones like kindle fire and nook color you can always check other ones though
On a eReader(if you have a one): examples: - Literati - Nook - Sony - Pocketbook - Kindle
Both the Nook and the Kindle have very high reviews. Each are supported by great companies and have great book marketplaces. Each company has an entry level ereader and a higher end ereader and both companies have a tablet as well. You can't go wrong with either company.
Using an ereader is convenient, but carrying around a phone, tablet computer and an ereader gets cumbersome. Popular ereaders like Nook and Kindle offer iPhone, Android and iPad apps so you can read books anywhere. The apps are free, and you can buy books just like you would with the Kindle or Nook. The books are sent to your device via 3G or wi-fi.
The top sellers for eReaders are Appleå«s iPad Mini, Kindle Fire HD, Nook HD, Kindle Paperwhite 3G, Nook Simple Touch with Glow Light, Nook Tablet, Nook Color, Kobo Glo Wireless eReader, and ECTACO jetBook Lite.
A Nook ebook is an electronic book (ebook) that is formatted for and sold by Barnes & Noble for use on their Nook e-reader devices or their Nook app for smartphones and tablets. Nook ebooks can be purchased and downloaded from the Barnes & Noble website to be read on Nook devices or their apps.
You can't find it online for free but you can buy it on an apple device, Ereader, nook, kindle, or other reading devices.
The Nook came well after the Kindle.
The best place to examine e readers side by side would be on amazon. There you can read customer reviews in which people say why they think which is better and so on.
An E-reader is an electronic device used to read books. There are different brands of e-readers, such as the Nook sold by Barne's & Nobel, and the Kindle, which is sold from Amazon.