SmileOnMyMac has updated BrowseBack, a Web history visualization and search tool that stores a PDF of every Web page visited and makes the pages accessible through an interface that allows the user to browse thumbnails of the pages. Version 1.4 adds support for Flock web browser; improved performance and reduced resource usage; and more. BrowseBack requires Mac OS X 10.4 or later, and is priced at US$29.95.