Tweetdoc: Document your twitter event. Structure of Collaborative Tagging Systems. Drive Image and Hard Disk Backup Software. PDF. PDF stands for Portable Document Format and was created in 1993 by Adobe Systems for the interchange of documents.
This article will focus on the use of PDF files for Mobile eBook reading. [edit] Overview Initially PDF was designed as a print format similar to PostScript and even today it is often used to exchange data that will be printed. Since it was designed as a print format it specifies the size of the paper that is needed to reproduce (render) the original. PDF is now an open standard ISO 32000-1. Voorspellingen 2009: de experts - Netlash.