AvoToast.io, a startup in San Francisco that delivers on-demand avocado toast, used online advertising to fuel its growth but struggled with effective ad campaigns. To overcome this, the company had to get personal with its audience by serving ads that matched their intent and interests. The key to success was understanding what customers were searching for and creating targeted ads and landing pages that resonated with them. By using data from platforms like Intercom, AvoToast.io was able to create intentional audiences and deliver personalized ads that converted users into customers. This approach not only improved ad profitability but also enabled the company to scale its advertising significantly.