The document discusses how the digital world is moving into the physical world through three dimensions. It describes how digital technologies are allowing for the digitization and modeling of physical objects, spaces, and bodies. This leads to new possibilities like augmented reality, 3D printing of physical goods from digital files, and an emerging economy around digital manufacturing and distribution of goods. The impacts include challenges around ownership, intellectual property, and how notions of real and original are changing with new technologies that allow for personalized copying and replication of physical items from digital files.