Jeff Perkins, CMO of Parkmobile, gave a presentation about making a big impact with limited marketing resources for startups. He outlined 7 strategies: 1) Build the right team, 2) Focus on the most important things, 3) Maximize limited resources, 4) Track, analyze and optimize, 5) Think big, 6) Help finance understand marketing's value, and 7) Create raving fans. He emphasized the importance of people over technology, prioritizing what matters most, and measuring results to continually improve performance on a constrained budget.