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P1040471.JPG BBC MicrosThumbnailsCLEF CMSBBC MicrosThumbnailsCLEF CMSBBC MicrosThumbnailsCLEF CMSBBC MicrosThumbnailsCLEF CMSBBC MicrosThumbnailsCLEF CMSBBC MicrosThumbnailsCLEF CMSBBC MicrosThumbnailsCLEF CMS

Visitors could tweet from the event using a BBC Micro connected to the internet via a Raspberry Pi.