What exactly is this going to be about?

Are they going to be sharing methods and techniques for SEOs to enhance their game or what??

Is there some kind of listing or itinerary to know what's going on there exactly?

Sure there is a whole site all about it. https://www.ungagged.com/
Feel free to check out https://www.ungagged.com/los-angeles/agenda/ for the agenda.
Who's speaking can be found here https://www.ungagged.com/los-angeles/speakers/
Deep dive masterclasses can be found here https://www.ungagged.com/los-angeles/masterclasses/

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