How useful would email be if it only allowed you to send messages within your company?
Much bigger and longer studies would be needed to see how useful this technique could be.
Bono has also had realizations about how useful the Internet can be for transparency.
FORBES: Bono's 'Humbling' Realizations About Aid, Capitalism And Nerds
How useful is it to have a group of really smart people brainstorm for a day?
So, as I say, how useful this indicator can be is something for you to decide.
FORBES: You Can See How Successful Apple Is From Foxconn's Results
Zeneca's switch-hitting maize plants are now being tested to see how useful they are for hybrid-seed production.
However, having said all this, let me rush to affirm how useful many psychiatric diagnostic categories are.
If they are not allowed to share any confidential information, how useful are analysts to investment banks?
How useful is a super-fast wireless broadband network if there are no super-speedy phones that run on it?
What happens to them in their early years will affect how useful and productive they are as citizens.
But it remains to be seen how useful an acoustic sensor placed in a low-Earth orbit might be.
Even with the best technology, though, there are limits to how useful this new employment exchange can be.
Fronstin offers up a real life example of how useful contributing after the end of the year can be.
FORBES: Millions Of Americans Can Cut Their 2012 Tax Bills--And Don't Know It
"There was some degree of scepticism about how useful Vine would be to advertisers, " says Gordon MacMillan, editor of Brand Republic.
Ken Cukier recently wrote about how useful analogies from the past are in explaining the potential of the current data revolution.
Besides my envy, I also wondered: how useful will tablets really be?
FORBES: When Kindergarteners are Issued iPad 2s, has iPad Hype Jumped the Shark?
It does not matter how many or how useful government on-line services are if they cannot be found is a straightforward manner.
Well, PocketNow got their hand on the top-end iCN 750 in-car navigation system to see just how useful downloading location-mapped pictures can be.
Even when used with all best intents and purpose, there is little evidence to support the idea of how useful they actually are.
As to the new post-issuance proceedings, it has yet to be seen how useful they will ultimately be for those accused of patent infringement.
Still, the asymmetry raises questions about how useful Twitter is as a tool for taking the pulse of public opinion, at least around politics.
FORBES: What Twitter Can And Can't Tell Us About Who's Winning The Presidential Race
But rarely are we given a critical overview of what we actually know and how useful this information is for the prevention of breast cancer.
FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?
How useful for us then, because it turns out the same metrics Emergence looks for in its would-be startup investments are applicable to public companies.
Through the early nineties, cardiology journals were filled with debates about how useful lowering cholesterol was and whether lowering it too much might even be dangerous.
It's just hard to fathom how useful they are without a humanoid robot capable of moving the finished wash into the dryer or putting the porkroast in the oven.
ENGADGET: LG's Thinq automated oven, refrigerator, and washer / dryer are the future now (hands-on)
Safety campaigners have suggested lower speed limits make crashes less likely and less severe when they do happen but the figures have triggered a debate on how useful the restrictions are.
Take a look at the Spark Device project on Kickstarter (link at top of post) and imagine how useful it would be to control your lights with a simple device and app.
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