This document contains the agenda for Meetup #58 hosted by Silicon Halton. It includes announcements about the 5 year anniversary of Silicon Halton in October, sponsorship opportunities for Silicon Halton, and an upcoming event at Burlington HiVE for Silicon Halton members. The agenda also lists upcoming peer-to-peer group meetings and details for Meetup #59 about shaping Oakville's open data initiative. It outlines the format for the open space discussion portion of Meetup #58 where attendees will pitch topics and vote on which ones to discuss.