opening an investigation against OpenAI, the company behind the massively popular chatbot, citing data privacy concerns after ChatGPT experienced a data breach involving user conversations and payment information. Hundreds of millions of people have used ChatGPT since its launch in November 2022, making it the fastest-growing consumer application in history, according to a UBS study. The Italian watchdog said the company behind ChatGPT has 20 days to address the data protection issues or pay a fine of €20 million or up to 4 per cent of annual revenues