Although technology allows many people to stay in touch easily and conveniently, there is still much to be desired, such as the simple act of touching; with these 4D phones, that might just become possible.
Developed by design researcher Fabian Hemmert, his 4D phones have the ability to kiss, blow and touch. For instance, one phone uses a wet sponge to simulate a kiss so that a loved one can send that rather than a text. Check out his TED presentation in the video above for more details about these 4D phones.
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