Technology plays an important role in most sectors, construction included, in increasing a company's competitive edge.

As the world moves towards greater automation, and machines increasingly take over jobs historically done by man, the question turns to whether human labour will become redundant.

In this Tedx talk, economist David Autor discusses a paradox that isn't heard much about - that despite a century of increasing automation, employment in the US has consistently risen.

He addresses the question of why there are still a great number of jobs and comes up with a surprising and hopeful answer.