The Brisbane Shopify Meetup on June 7, 2017, attracted over 300 attendees and featured speakers from various businesses discussing strategies to optimize product pages and customer acquisition costs. Holly Cardew emphasized the importance of product descriptions, user reviews, and photography in increasing online sales, while Nik Mirkovic and Alex Tomic shared insights on balancing customer acquisition cost and lifetime value. The event also included a Q&A session and opportunities for networking among participants.