This covers the time period from the invention of the Gutenburg printing press to the beginning of World War II; characterized by rapid growth of mass media and the spread of information.

Print-based Revolution

This covers the time period from the end of World War II to the invention of the Internet; characterized by the need to sort and organize the influx of documents from the war. Subject specialists were born during this time.

Pre-digital Revolution

This covers the time period from the invention of the Internet to present day; characterized by the use of electronic technology to organize and disseminate information.

Digital Revolution

There are three distinct information revolutions:
- Print-based revolution
- Pre-digital revolution
- Digital revolution

New York University

The use of computers to store and retrieve information

Information Technology (IT)

Rayward, W. Boyd (2014). “Information Revolutions, the Information Society, and the Future of the History of Information Science.” Library Trends, Vol. 62(3), pp. 681-713.

Information Revolutions, the Information Society, and the Future of the History of Information Science

The use of technology to operate library systems such as:
- Cataloging
- Metadata
- Indexing services
- Database Management

Information Technology in Library Science

History of Information Technology

Crisis informatics is a field of study that looks at the way the public uses social media and information technology during a crisis. More specifically how technology connects people and organizations to relevant information and how technology is used to create new ways of communication.  

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