The article discusses how user acquisition has shifted focus from bids and targeting to the importance of creative content. It argues that the effectiveness and volume of creative assets now determine success in scaling campaigns. This change emphasizes the need for high-quality, engaging creative work to stand out.

WhatsApp revolutionized user onboarding by simplifying the signup process to just a phone number, eliminating the need for emails and usernames. This approach not only made the app feel familiar and user-friendly but also leveraged existing social graphs, allowing users to connect with friends instantly and creating viral growth through natural invitation mechanics. As a result, WhatsApp achieved rapid user acquisition and established a standard onboarding flow that many messaging apps now follow.