Marketplace response to the challenges of preserving digital documents appears to be incorporating a “back to the future” perspective according to this recent article, Upgrade and Archive: The Ongoing Threat of Data Extinction. The continual push to digitize documents into virtual libraries must be balanced against the critical issues associated with the lifespan of hardware and software. Digital libraries are subject to obsolescence long before print materials and their analog counterparts. For this reason, many librarians have long maintained microfiche and/or microfilm collections, which it is now apparent, reflected sound judgment and considerable foresight.