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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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The sensation that your phone is vibrating in your pocket when it is doing nothing of the sort is not unique. Philosopher and assistant professor at Georgia Institute of Technology, Dr. Robert Rosenberger describes the feeling as a "hallucination" caused by anxiety, and says it is quite common. Dr. Rosenberger studies the effect technology has on our lives and thinks the phenomenon is a result of always being "on-edge" to answer emails and text messages.
http://www.bbc.com/news/technology-35271420