Tripling user signups in 1 month The document discusses how Heyzap, a platform for social and MMO games, tripled their user signups in 1 month by focusing on key performance indicators (KPIs) and frameworks for improving them. They started by focusing on user signups as their main KPI and optimized existing channels like reducing drop-offs in their signup funnel. They also explored new channels like widgets and new game partners that led to an order of magnitude increase in signups. The document emphasizes picking the right KPI and exploring new channels, not just optimizations, for meaningful growth.