Identifying a need and creating something for that requires some talent like someone identified that there is a need for communication while on move and mobile phones were created and now most people can't imagine a life without it. What requires even more talent is creating something for which there is no need and then that thing going on to become an integral part of people's life.
I was writing this to be posted here but then it got quite long so I have posted the complete thing on Mental Floss
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True genius - creating something for which there is no need and then have the entire world chasing it