Intel, now struggling, was once dominant in its core business for central processing units (CPUs). But rival AMD now has significant market share. Then Intel failed to see the extent to which graphics chips would come to dominate the market for AI. This would prove a colossal blunder as it didn't take long for Nvidia, which took the graphics processing unit used for video games and turned it into the workhorse for training and running AI models, to dominate the new field.