These tools enable users to collaboratively underline, highlight, and annotate an electronic text, in addition to providing a mechanism to write additional comments on the margins of the electronic document.
The software is a management tool for organising chess information (databases of millions of games), opening training, game analysis, playing against the computer, and viewing electronic texts.
Younger people are turning to electronic text on computers with screen reader software instead, a more portable communication method that they can also use with their friends.
In a technological society, the concept of literacy is expanding to include the media and electronic text, in addition to alphabetic and number systems.
Before the invention of photocopiers and electronic text storage, a writer's work had to be stored on paper, which meant it was very susceptible to fire in particular.