You can own the surface rights, but you sell the timber rights to farmer John for 25 years. The nature of the status of the land is fixed by law, and are distinguished as being either a freehold estate or a non-freehold estate. Freehold means ownership without limitations to duration.
Enterprise digital rights management (E-DRM or ERM) is the application of DRM technology to the control of access to corporate documents such as Microsoft Word, PDF, and AutoCAD files, emails, and intranet web pages rather than to the control of consumer media.
Virtual printer converting printed documents into PDF doc or/and flash (SWF) movie. Can be used from every program that supports printing (incl. DOC, XLS). Silent automation mode is supported (for both end-users and software developers who want to incorporate SWF/PDF printer into their applications or web-server applications). Version 1.2 features support for saving as JPEG images.