The Nook Color is not really a similar product to the iPad as it is just a reader for books. The iPad is a small computer that does many other things. You can put a nook application on your iPad so you can read the books you have downloaded to your nook on your iPad.
While both things connect via wireless in order to download and purchase information, the iPad is meant to be a small traveling computer, self contained for all your internet needs. The nook is a great reader and offers many options when it comes to cataloging your reading material. You can take an entire library with you without taking much space in your luggage.
The iPad can be used as a reader without the nook application, but you will need it if you have downloaded books in the nook format. Both can read straight . Pdf files, but nook files are slightly differently encoded.
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