The commercial education technology firm in the US called Chegg is somewhat equivalent of our coaching and tutoring centres for school students. It reported five million student subscribers and a revenue of $200 million in the fourth quarter of 2022. It lost $1 billion in share value in the New York Stock Exchange on May 1 due to the reported inroad of artificial intelligence (AI)-generated language tools such as ChatGPT. Launched by OpenAI in November last year, ChatGPT has already taken the digital information world by storm. Microsoft and others are working on their own models. Among…