Ha ha, most of innovations are undervalued.
Myself I refused to use smarthphones. I couldn't conceive to be localizad everywhere anytime. Also, I used to had better phone calls at home.
But now, after I am involved on investment, cryptocurrencies, blogs, hive, leo, etc. I cannot live without a smarthphone now.
It comes to my mind the case of electricity: Who would want to use a dangerous invention? Now almost everywhere there is electricity.