It takes decades for these type of technologies to fully develop and replace earlier stuff.
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The article notes that IBM will be focused on graphene and carbon nano-tubes. Graphene has been a hot topic of research for 10-15 years. Carbon nano-tubes have been a hot topic of research for about 25 years.
Both have a myriad of uses. My favorite application is for use as semipermeable membranes in water desalination. They would make desalinized water cheap enough for agriculture.