I created the federated wiki starting in 2011 based on ideas that had been brewing for a decade. Eric Holscher asked me to speak about the experience at the 2015 edition of Write the Docs.
Your slot is 45 minutes, and will be around 9:15am on Tuesday May 19. We won't plan on having questions, but people will be able to come up and chat with you after, or later in the day. We're hoping to have a specific time in the unconference session to chat with you about the talk around 3pm, but that can be flexible as well. Macbook Air w/ VGA works best for us too. 16:9 is the resolution we'll be using, which I believe is widescreen.