To build a successful two-way communication tool on their website, users can leverage the powerful form-building plugin Gravity Forms with automation software Zapier to collect user data and automate workflows such as tracking submissions in spreadsheets, sending notifications for new submissions, responding to customers with automatic emails, creating tasks in project management apps, and scheduling follow-up meetings. With Zapier's workflow automation capabilities, users can streamline their workflow, reduce manual labor, and improve data organization, making it easier to engage with their audience and build meaningful relationships.