"There is a lot of talk about unnecessary imaging, but even if a test is negative it doesn't mean it was unnecessary, " says lead investigator Susanna Lee, a Massachusetts General radiologist.
We don't want to create unnecessary noise or panic, or distract from the messages that really matter.
And I think the international community and the world know where this President, and my guess is others throughout the world, where they stand on ensuring that we don't see violence or unnecessary killing.
If the Justice Department loses the case, that doesn't mean its oversight was unnecessary or wrong.
When companies aggressively promote expensive and often unnecessary medical tests, it isn't always in the service of patients and good health.
First-timers, as well as users that buy back into Up, won't find themselves fussing through clumsily sorted menus or contending with unnecessary load times.
ENGADGET: Jawbone starts over, announces a redesigned version of its Up lifestyle-tracking wristband
We found accessing the compartment for the battery and memory card a pain, as it doesn't auto-lock when you close it, requiring an unnecessary bit of finger adroitness, and removing and replacing batteries can also be a fiddly affair.
Sceptics might say that banks want to keep us coming to branches so that they can sell us something we don't need - and we're much less likely to buy unnecessary stuff from banks on the internet.
"Companies often hold unnecessary inventories as a safety measure because they really don't have an idea about availability at the supplier's end, " explains Chris De Bruin, Metique's chief operating officer.
They found that detecting and treating many early-stage breast cancers reduced the number of late-stage cancers and deaths only slightly, prompting them to conclude that much of the treatment was unnecessary in some cases because the cancers wouldn't have progressed, and in some cases because they were fatal despite being treated early.
He said he didn't feel the story would make sense without it, but those scenes were unnecessary.
While the Flex isn't exactly littered with bloatware, there are a number of redundant apps that are simply unnecessary.
News of the device prompted concerns from privacy advocates, though they also saw a potential benefit: It might render unnecessary the legally disputed police policy of stopping and frisking people who haven't been first identified as suspects in crimes.
"They clearly haven't costed this properly and it's only going to jack up the cost of an unnecessary project, " he said.
Many critics of the new rules contend that in addition to adding an unnecessary threat to the safety of airline crews and passengers, the changes won't make a difference in the TSA's ability to concentrate on other threats.
CNN: TSA chief faces critics, says new knife policy will stand
The PMP-2 loses all that unnecessary bodywork and stuff in favour of a minimal platform-with-wheels design that doesn't inspire much confidence to look at, though it apparently balances alright with a bit of practice (see video).
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