The coming of age of digital work as an art medium has changed immensely in the past 20 years much faster than did photography which has taken over 100 years to find acceptance, also the giclee which is the output of most digital work. From conversations with printers a giclee is guaranteed for 25 years in sunlight. That's better than most watercolor mediums. Protected with UV glass or kept out of direct lighting digital art could match that of oils. The digital divide that separates art from illustrations depends upon the ingredient 'soul' which defines lasting work form decorative work. For those daring artists who are working in this media...hats off. I can picture Caravaggio with a 6 megapixel camera and a G4 Mac tweaking colors in Adobe Illustrator or PhotoShop.
Charlie