Books fi rst appeared 2.000 years ago. books were written by hand, so no two books were exactly the same. books were big, heavy and expensive and many people couldn't read them. the fi rst revolution was gutenberg's invention of the printing press in 1440. printing presses could print thousands of books quickly. by 1500 there had been 20 million books in europe and millions of people learnt to read. today, 99% of europeans can read. the second revolution was more recent. publishers started to use computers to produce books about twenty years ago. traditional presses started to disappear and people began to produce books electronically. people also started to read newspapers and magazines online and some people thought that paper books would disappear one day. now the digital revolution is here. e-book readers have arrived and personal webpages and blogs have also become more popular. do you know that 31% people between the ages fourteen and twenty one have got their own blog or webpage? "print on demand" is another part of the digital revolution. soon you'll be able to choose a book from a selection of millions in any bookshop. a machine will print your book while you wait in the shop! make a text “digital revolution” editing additions and using sources. i think reading . for me reading is a way to . reading books in everyday life me to understand diff erent people and culture. my favourite genres are . this week i've been . i would recommend because .