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Where can touchscreens go next? The standard resolution is incredible now, and materials are getting tougher too. So how about texture?
Two years ago I had a demo by a Finnish company called Senseg of a display that simulated the feel of textures like sand and metal rivets. Recently, that firm was strongly rumored to be working with Apple on iPad 3. That didn't happen. But some future collaboration might.
At MWC2014, it's Fujitsu that's pushing the tech forward. It has a prototype of a similar touchscreen, on which you can "play" a zither and feel the strings. You can stroke a crocodile too. It sounds like a gimmick, but there could be useful applications in gaming, medi-tech and learning.
Like guest blogger Jonathan, I also had the pleasure of a personal S5 demo. I too impressed, but with more reservations. It's clearly a hugely sophisticated device, packed with features that most people will admire and never use.It still feels a little plastic-y to me though, and actually looks a lot like lower range Galaxy devices. I'd argue the HTC One and Nexus 5 are better designed.
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Check your heart rate just by putting your finger on the rear scanner. Amazing that the device is water resistant. Not sure I'd want to use it in the shower but nice to know it's protected.
My favorite feature is of course the fingerprint scanner that enables payments via PayPal. But then I am a payments geek! Anything that takes the friction out of payments gets my vote.
Anything I didn't like? Well it would be nice if it ran iOS :)
Will consumers like this device? Definitely. I think Samsung have got a winner here.
There are a number of connected cars on display but Ford, who has a big presence at the show is specifically promoting their developer program that currently includes the likes of Spotify and Dominos Pizza.
It's the first such program for a car manufacturer and opens the door for entertainment, safety, travel developers to literally travel with their users.
About Mobile World Congress
Mobile World Congress, in Barcelona, Spain, is the world's largest mobile phone trade show. It aims to celebrate the current state of mobile and offer a glimpse into where mobile might go next.
CNN will be at the event, bringing you all the latest news on the ground.
Plus, follow the buzz on Twitter at #MWC14 and keep up with the latest with our liveblog and Mobile World Congress twitter list.