Marketo is a marketing automation software that can help businesses engage leads and customers at the right time with personalized messages, but it requires manual labor to manage automated marketing campaigns. Zapier, a workflow automation tool, can streamline these processes by integrating Marketo with thousands of other apps, such as Google, Salesforce, and Microsoft. With Zapier, businesses can automate tasks like adding leads to Marketo from various sources, creating or updating leads on Marketo, sending notifications and SMS messages, tracking offline conversions, and more. By automating routine marketing and data management tasks, businesses can focus on creating personalized marketing experiences that drive growth, while Zapier handles the workflow automation, making it a powerful tool for marketers.