From left, Notion founders Akshay Kothari, Ivan Zhao and Simon Last.NotionOpenAI's public launch of ChatGPT in November 2022 is widely viewed as the event that kicked off the generative AI boom, which remains the dominant theme in the tech industry almost three years later.Notion jumped on the bandwagon early.Two weeks before ChatGPT hit the market, the productivity software startup announced its own artificial intelligence feature using an OpenAI model. Notion AI was designed to be a "writing a...