Every week this column shows what AI can do for a finance team. This week, what it costs. ChatGPT is now carrying advertising in a growing list of countries, on the free plan and on the cheapest paid one. Jamaica is not on that list yet, but the direction is settled, and it is a good moment to work out which plan your business is actually on

Every week this column shows what AI can do for a finance team. This week, the other side of the table: researchers used an AI assistant sitting inside a hacked mailbox to map a company, impersonate its chief executive, find a US$247,500 wire transfer waiting for approval, and redirect it. The controls that stop this cost nothing

Every week this column shows what AI can do for a finance team. This week, a change announced just days ago: Claude now embeds an invisible watermark in the text it generates, which means AI-assisted work is becoming identifiable — and the businesses with nothing to adjust are the ones that never pretended otherwise.