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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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If you're looking for a reason (other than price) to buy an iPhone 3GS as opposed to an iPhone 4, here's one: according to Patrick Traynor (Computer Science) it's possible that malware on an iPhone 4 can detect and deduce what someone is typing on a nearby keyboard. Source: Gizmag