( NewsNation ) — Billionaire entrepreneur Mark Cuban is warning that five major job categories are increasingly at risk as artificial intelligence adoption accelerates, particularly for workers in routine, entry-level roles. Cuban said the shift is already underway, driven by companies weighing the cost and productivity of AI systems against human labor. As tools improve and become more cost-effective, he expects businesses — especially large ones — to reduce headcount in roles built around repetitive tasks. The transition is where the risk shows up, Cuban said in recent social media posts and interviews: “There’s only two types of companies in this world. Those who are great at AI and everybody else.” “Whether you are an employee, you’re gonna have to understand how it impacts your job, or how you can use it to be better at your job,” Cuban said. Entry-level white-collar roles Cuban identified entry-level white-collar roles as among the most exposed.…