terms defined

geotagging: the process of adding geographical identification metadata to various media such as photographs, video, websites, or RSS feeds and is a form of geospatial metadata. These data usually consist of latitude and longitude coordinates, though they can also include altitude, bearing, distance, accuracy data, and place names. (source: Wikipedia)

user-generated content (UGC): also known as Consumer generated media (CGM) or user-created content (UCC), refers to various kinds of media content, publicly available, that are produced by end users online. (source: Wikipedia)

Graffiti: AWE Group Definition of graffiti is an individual's unique expression of his/herself through making one's personal mark on any property (physical or digital), which can exist as images, letters, or other forms of symbols.

"Digital" Graffiti: Graffiti found on the internet still retains the subcultural elements, largely similar to graffiti in physical spaces. Graffiti online could be considered and extension of graffiti from the physical world, but should not be seen as a linear successor -- graffiti as we classify them online does not replace the established graffiti culture from the streets.

Physical World/Sphere/Space: The tangible, physical world in which we live, interact, and can "breathe" in.

Digital World/Sphere/Space: The intangible, virtual world that exists on the world wide web through internet connections. This world is dependent on certain physical world attributes, such as technological advances and developments.

Physical Public Property: Properties in the physical world, such as schools, offices, and buildings.

Physical Private Property: Properties in the physical world that are provided by the state for graffiti artist to create their artworks on.

Digital Public Property: Websites on the World Wide Web that can be accessed to all those who have internet connections and appropriate broswers for viewing the website content.

Digital Private Property: Websites on the World Wide Web that has limited access as to who can view the content of the website, regardless of the fact that one has internet connection and the appropriate browser.

Tools: any implement used to write, draw, or create graffiti, either in the physical or digital world.