We store this information for up to one week. No additional personally identifying information (e.g., username or IP address) is stored, and reports are generally only viewed in aggregate. This error reporting can be disabled in the Zotero and Zotero Connector preferences. </li> </ul> Library Statistics <p> Zotero anonymizes and aggregates synchronized user and group library data to generate statistics on readership. This anonymized and aggregated data only includes publicly available metadata (e.g., publication title and author).