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The term “public domain” refers to creative materials that are not protected by intellectual property laws such as copyright, trademark, or patent laws. ... Anyone can use a public domain work without obtaining permission, but no one can ever own it.
QR codes make up the basic structure of a relational database with columns containing field data and rows containing record information.
Mixed and market economies protect individuals' ability to make their own economic decisions.
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A peer-to-peer network is one in which two or more PCs share files and access to devices such as printers without requiring a separate server computer or server software. ... A P2P network can be an ad hoc connection—a couple of computers connected via a Universal Serial Bus to transfer files.
