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There is now a CONTENT FREEZE for Mercury while we switch to a new platform. It began on Friday, March 10 at 6pm and will end on Wednesday, March 15 at noon. No new content can be created during this time, but all material in the system as of the beginning of the freeze will be migrated to the new platform, including users and groups. Functionally the new site is identical to the old one. webteam@gatech.edu
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OpenStudy, cofounded by Ashwin Ram (Interactive Computing), offers students the option to create or join online study groups, subscribe to other students' updates, and provides students with a place to record their notes online. And they can register for OpenStudy using their email addresses or through their Facebook accounts. Source: Free Tech for Teachers