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Zotero [zoh-TAIR-oh] is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources. Zotero is an open source project of the Corporation for Digital Scholarship, a nonprofit with no financial interest in your private information. So, using Zotero you always stay in control of your own data.
The personal research assistant is your library, an application downloaded to your computer. The Zotero connector is an add-on for your browser (Firefox or Chrome recommended). Follow the installation instructions or use their Quick Start Guide for assistance.
Note: If you get this error message when trying to install the Connector in Chrome, be sure you are *not* logged into Chrome / Google with your Penn account. There appears to be something blocking add-ons. Log out or switch to your personal Google account and you should be able to complete the Connector installation.