Self-charging devices and real-time language translation are among technologies pinpointed by future-gazers that will change the world.
Analysts at Gartner have mapped out the key challenges where technology can change lives and revolutionise business over the next 20 years.
The seven challenges are:
Ken McGee, vice president at Gartner, said in a statement: "IT leaders should always be looking ahead for the emerging technologies that will have a dramatic impact on their business."
He said chief information officers should identify which of the challenges were most relevant to their organisation, how they relate to trends in business and society and monitor progress on research into those challenges.