India, Oct. 25 -- Microsoft co-founder and billionaire philanthropist Bill Gates has warned that artificial intelligence (AI) could cause major changes in the job market over the next two decades. He believes AI could eventually create "true abundance," but the transition period could be extremely difficult for workers and society.

Gates said the period before AI creates widespread abundance could be "as tumultuous a period as there's been in human history." He warned that the transition would create winners and losers, with many people facing disruption as AI changes how businesses and industries operate, according to Gates on the "Decoder" podcast.

Gates expressed concern about the future of office-based jobs. He said roles in telepho...