~EBOOK~

The Ebook is a version electronic or digital of a book. The name of the people who reads the ebooks is the e-reader. They exist more dispositives that you can use for read in them like a laptop or a PC. This dispositives are exclusive for read. It appears de electronic ink that hace a "paper effect".

History

In 1971 Michael Hart leads the proyect Gutenberg that whants to digitize books and offer them for free. In 1993 Zahur Klemath Zapata registers the first programme of digital books and first digital book is published. Digital book solds the first 50 digital books. In 1995 Amazon starts to sold books throw the internet. In 1998 were in the market to readers of digital books: Rocket Ebook and Softbook. In 2006 Sony created Sony reader with electronic ink. In 2007 Amazon create Amazon Kindle. In 2009 is created booq the first spanish electronic ebook. In 2013 Google created Google Play Books.

Advantages

·you can read in any place
·the electronic ink isn't bad for your eyes
·it doen't spend much battery.
·the paper of the trees isn't necessary for the ebook

Disadvantages

·ebooks aren't independent physical objects
·require initial learning.
·can't be signed by the autor
·they loose the tact of the paper