Lets see if slashdot considers it relevant -- no source code -- no DUI convictions. Full story at
"Hundreds of cases involving breath-alcohol tests have been thrown out by Seminole County judges in the past five months because the test's manufacturer will not disclose how the machines work."
"if a DUI defendant asks for a key piece of information about how the machine works -- its software source code, for instance -- and the state cannot provide it, the breath test is rejected"
No hardware designer should be allowed to produce any piece of hardware until three software guys have signed off for it. -- Andy Tanenbaum