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Main article: PDF was developed in the early 1990s as a way to share computer documents, including text formatting and inline images. It was among a number of competing formats such as,, Common Ground Digital Paper, Farallon Replica and even 's own format. In those early years before the rise of the and documents, PDF was popular mainly in. Dell Laptops Lan Drivers Download. Adobe Systems made the PDF specification available free of charge in 1993. PDF was a controlled by Adobe, until it was officially released as an on July 1, 2008, and published by the as ISO 32000-1:2008, at which time control of the specification passed to an ISO Committee of volunteer industry experts. In 2008, Adobe published a Public Patent License to ISO 32000-1 granting rights for all patents owned by Adobe that are necessary to make, use, sell, and distribute PDF compliant implementations. PDF 1.7 includes some proprietary technologies defined only by Adobe, such as (XFA) and extension for Acrobat, which are referenced by ISO 32000-1 as and indispensable for the application of the ISO 32000-1 specification.