Paintings fade; sculptures chip. Art restorers have long known how to repair those material flaws, so the experience of looking at a Vermeer or a Rodin remains basically unchanged over time. But when creativity is computerized, the art isn’t so easy to fix.

For instance, when a Web-based work becomes technologically obsolete, does updated software simply restore it? Or is the piece fundamentally changed?

Whitney Saves Douglas Davis’s ‘First Collaborative Sentence’ – NYTimes.com.