Did you know that the DEN has a Diigo group to share great online tools and websites? Diigo is a social networking site, like Del.icio.us, where users can bookmark websites for all in the group to benefit from. Some recent finds include PicLits, NASA Do-it-Yourself Podcasts, and Make a Gif. Join the group! You can receive email alerts to let you know the most recent sites that were added if you want to.