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Related to BITD: birdman, BitDefender, bits
BITDBest in the Desert (Nevada based off-road racing organization)
BITDBack in the Day
BITDBeaten It to Death
BITDBusiness and Information Technology Department (Council for the Central Laboratory of the Research Councils; UK)
BITDBasic Instrument Training Devices (flight simulator; various nations)
BITDBuilt in Test Diagnostics