You were probably thinking of the influence of automation, artificial intelligence, and robotics on work and the workforce in the future period.
There are significant debates on that subject, and the predictions variy. However, researchers agree that the development of technology will particularly affect underdeveloped and developing countries.
There is a good text on this topic on the link https://www.ilo.org/wcmsp5/groups/public/---ed_protect/---protrav/---safework/documents/genericdocument/wcms_681836.pdf