Which option allows you to unlock additional tools on Facebook?

Using the Facebook pixel unlocks additional tools on the platform because it enables you to track user interactions on your website and gather valuable data on their behavior. When you implement the Facebook pixel, you gain access to advanced advertising features, including the ability to create custom audiences based on web traffic, measure conversions accurately, and optimize ad performance. This integration of pixel data allows for more targeted advertising and provides insights that can be used to refine your marketing strategies.

The other options, while beneficial in their own ways, do not directly unlock additional tools like the Facebook pixel does. Verifying your account can enhance your credibility and trustworthiness on the platform, increasing user confidence but does not offer new tools. Increasing ad spend can lead to wider reach and potential higher returns but does not in itself provide additional features or functionality. Joining a business group can foster connectivity and resource sharing but does not directly influence the tools available for advertising purposes.