# data[].attributes.body
Hierarchies of materials, tools, function, artistic training, style, and presentation are challenged. Questions about how art is defined, valued, and presented are provoked by ephemeral digital works, video-captured performances, graffiti artists, online museums and galleries, declines in (but preservation of) natural materials and traditional skills, predominance of disposable material cultures, and the digital divide — access or lack of access to digital technology.