The UNESCO Charter on the Preservation of Digital Heritage, adopted in October 2003, is important for affirming the role of (national) heritage institutions and extending existing systems for preservation of documentary heritage to cover digital materials. This approach has distinct advantages, but has also been criticized for taking too narrow a view of the dynamic diversity of the digital environment, particularly as found on the Web. To understand what digital heritage is, it is useful to look at the current debate on preservation of intangible heritage, as both share a number of characteristics. The charter is examined in the context of UNESCO programs on culture to indicate its relevance for UNESCO???s mission and to point t...