Some 13% think they are useful, but not easy to use, while another 9% think they are easy to access but not useful.
Similarly, while Apple's OS X's user interface is not just easy to use but engaging, it's just a candy shell built around the kind of tried-and-true Unix software that's powered everything from phone networks to computer science labs for a generation.
There are plenty of kits out there designed to help kids learn the ins and outs of electronics, but LightUp hopes to stand out from the crowd with not just easy-to-use building blocks but an accompanying augmented reality app as well.
Although early in development, the fact that it's extremely playable and easy to use (if not easy to install) will appeal to the most battle-hardened Linux gamers.
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MapReduce for all its strengths is not something that is easy to use by the masses.
The Flip was not just easy-to-use, but it could be employed so quickly that it made the process of starting to record video on an Android smartphone feel as slow as booting a Windows desktop PC.
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It was not easy but he was able to use cutting-edge technologies to scan huge amounts of data as well as parse natural language queries.
Like you have music controls that are on the home screen of some devices, but it's not that easy for any application developer to use.
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"I'm very actively trying to find a use for this building but it's not easy to find someone in this economic climate, " he added.
It's very easy to use, but not until you teach yourself that the select button is just that.
By making the screen taller, not wider, iPhone 5 is just as easy to use with one hand so you can tap, type and scroll the same way you always have, while enjoying even more of your content including amazing apps optimized for the larger Retina display, widescreen HD video, a full five days of your Calendar and more of every web page.
Factories and buildings are built because they have a use, not just because borrowed funds are easy to find.
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Not only does the WB100 deliver superior quality images but it is also easy to use.
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When not in use, the keyboard folds flat into the case making it easy to pack away and go.
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If they can create content that is sufficiently compelling and, above all, easy to use, many customers, Mr Grant contends, will be happy not to stray to the mobile web's wider and wilder shores.
Now that the currency exists, for the moment alongside national ones, Mr Solbes has, among other things, to promote its use by ordinary Europeans and by businesses great and small: not easy, when the currency has made so feeble a start.
Users within minutes of purchasing their device are already hooking their devices into their corporate email, and are beginning to expect (and complain if they are not getting what they want) that corporate IT deliver mobile business apps that are just as easy to use as what the apps they get from the Apple iTunes store or Google Play.
We tried a couple of Android alternatives but found that they were deeply unfriendly in comparison and not worth the hassle -- ready money awaits anyone who can improve the current dearth of easy-to-use WMC controllers in Google Play.
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This is not just a marketing slogan: all products, from heart defibrillators to coffee machines, must become easy and intuitive to use.
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