Mark Tomlinson is senior director of performance and observability for digital payments provider FreedomPay. He previously worked for PayPal and also served as Chief Performacologist, founder and host of the PerfBytes podcast from 2012 to 2023. He talks about how his company uses generative AI tools in its observability practices, imagines the future possibilities for agentic AI ... and just as importantly, explains what a "Performacologist" is.