The printing press is a mechanical printing device for making copies of identical text on multiple sheets of paper. It was invented in Germany by the goldsmith and printer Johannes Gutenberg in 1445. Printing methods based on Gutenberg's printing press spread rapidly throughout first Europe and then the rest of the world, replacing most block printing and making it the sole progenitor of modern movable type printing.

Printing's effect on civilization has often been discussed in terms of the effect of the "printing press" on civilization—a rhetorical device, which alludes to the pivotal role of the printing press in the global spread of printing.

Modern printing technology.

In 2006 there are approximately 30,700 printing companies in the United States, accounting for $112 billion, according to the 2006 U.S. Industry & Market Outlook by Barnes Reports. Print jobs that move through the Internet made up 12.5% of the total U.S. Printing market last year, according to research firm InfoTrend/CAP Ventures.

Books and newspapers are printed today using the technique of offset lithography. Other common techniques include .flexography used for packaging, labels, newspapers relief print, (mainly used for catalogues), screen printing from T-shirts to floor tiles rotogravure mainly used for magazines and packaging, inkjet used typically to print a small number of books or packaging, and also to print a variety of materials from high quality papers simulate offset printing, to floor tiles; Inkjet is also used to apply mailing addresses to direct mail pieces.

Publishing is the process of production and dissemination of literature or information – the activity of making information available for public view. In some cases, authors may be their own publishers.
Traditionally, the term refers to the distribution of printed works such as books and newspapers. With the advent of digital information systems and the Internet, the scope of publishing has expanded to include electronic resources, such as the electronic versions of books and periodicals, as well as websites, blogs, and the like.

Publishing includes the stages of the development, acquisition, marketing, production – printing (and its electronic equivalents), and distribution of newspapers, magazines, books, literary works, musical works, software and other works dealing with information, including the electronic media.

The process of publishing:

Book and magazine publishers spend a lot of their time buying or commissioning copy. At a small press, it is possible to survive by relying entirely on commissioned material. But as activity increases, the need for works may outstrip the publisher's established circle of writers.witers often first submit a query letter or proposal. The majority of unsolicited submissions come from previously unpublished authors. When such manuscripts are unsolicited, they must go through the slush pile, in which acquisitions editors sift.

Through to identify manuscripts of sufficient quality or revenue potential to be referred to the editorial staff. Established authors are often represented by a literary agent to market their work to publishers and negotiate contracts.