The document provides information about the Mozilla Summit 2013 which will take place from October 4-6 in Brussels, Toronto, and Santa Clara. It discusses that the summit is a 72 hour conference dedicated to connecting the Mozilla community around their mission and strategic priorities. It encourages attendees to participate in keynotes, sessions, and interactive fairs focused on understanding Mozilla's values and product strategy. Tips are provided on how to have a great experience at the summit by embracing new ideas, finding interesting sessions, being respectful of others, and having fun through connecting with others and celebrating their accomplishments.