The OpenAI logo appears on a smartphone in front of a computer screen showing ChatGPT output, March 21, 2023, in Boston. (AP Photo/Michael Dwyer, File)Over the last three years, companies worldwide have invested between 30 and 40 billion dollars into generative artificial intelligence projects. Yet most of these efforts have brought no real business return.A new study from MIT found that 95 percent of enterprise organizations report zero measurable gains from the adoption of AI tools. Only a sma...