Two categories of digital art

"Paul (2003: 9) distinguishes two categories of digital art, one that uses digital technologies as a tool for the creation of traditional art objects and the other 'that employs digital technologies as its very own medium, being produced stored and presented exclusively in the digital form and making use of its interactive or pacticipatory features'."

From a book called The New Media Hankbook wrote by Andrew Dewdney and Peter Ride, p25

Here I also find the linkage between traditional art and digital art.