Just passing this on — there’s additional detail available now on the homepage of the Developer Developer Developer project about the organization for day 3. Most importantly, if you’re planning to speak there, you must have your session proposal in until March 17th. Other dates are  the session voting period from March 17th to April 7th, notification of the speakers until April 14th, publishing of the agenda on May 1st and opening of the registration on May 2nd.