While the importance of collections has been evident in the sciences and humanities for several centuries, the social and cultural significance of collecting practices is now receiving serious attention as well. As reflected in programs like Antiques Roadshow and American Pickers, and websites such as eBay, collecting has had a consistent and growing presence in popular culture. In tandem with popular collecting, institutions are responding to changes in the collecting environment, as library catalogs go online and museums use new technologies to help generate attendance for their exhibits....