The explosive growth of AI "chatbots" over the last few years and their ability to generate text that simulates human writing, often very accurately, has focused attention on how text is structured.

Getting a strange text message from someone you don't know may seem like a mistake, but it could be more sinister. It could be the start of a scam.

Prior to its acquisition, Text Publishing, though an independent company, was renting warehouse space and using the sales force of Penguin Random House.