The technology could raise prices and consumption before it gives us more free time, says Adam Shaw for the Financial Times. LONDON: AI evangelists seem to agree: Widespread adoption will lead to a shorter working week. OpenAI chief Sam Altman has called for a reduction to four days; JPMorgan Chase boss Jamie Dimon says three and a half. Microsoft co-founder Bill Gates goes as low as two. But such a future is currently far-fetched. AI productivity gains do not immediately translate to fewer