Digital paper is another mind boggling invention for future communications. It looks and feels like ordinary paper, but it is made up of 
millions of microscopic nano computers which can communicate with a worldwide communication network, change colour, display different pictures at different times, and even act as a speaker!Digital paper will interact with you. It can recognize your handwriting, and understand what you say. It can even be folded up and put in your pocket when you don’t need it!
