Today The history of printing dates from the Middle Ages, at that time the books were hand written. That role belonged to the monks in copying scriptoria in the ink and with quill pen clipped to each book. This work, of course, required hundreds of hours of work. Everything changed in the sixteenth century thanks [...]

Convert DOC to PDF file Many of the printer to print mostly in PDF format because it is very difficult to accidentally change the contents during processing. Many beginners would like to convert Word to PDF. Here’s how: Simply install such as the free OpenOffice.org suite and the software to read PDF files, or Acrobat [...]

Two scientist of the University from Illinois conducted an interesting study of advertising. Participants were called on to evaluate the attractiveness of the holidays, on the basis of information provided in the two advertising brochures (it was a trip to India and Thailand). The first tour brochure presented as a sequence of events that were [...]