Refer to the passage below and then answer the question afterwards in the same language as the passage: Passage: On February 9, 2006, the US Department of Defense (DOD) filed a brief stating that an injunction shutting down the BlackBerry service while excluding government users was unworkable. The DOD also stated that the BlackBerry was crucial for national security given the large number of government users. Mubvunzo: Chii chakaitwa neDOD kuti chive chakakosha kuchengetedzeka kwenyika?
BlackBerry