Connecting Off-Facebook Activity to Facebook Accounts

We offer tools to businesses and organizations that help us give people a better Facebook experience, while also letting businesses and organizations reach the right people for their business. These tools allow a business to send information about people's interactions on their website or app to Facebook, such as when someone makes a purchase or opens an app.
Businesses share information, like email addresses, cookies and advertising device IDs, that help Facebook connect those interactions with a person’s Facebook account so that we can improve their ads and help businesses measure ad effectiveness. If the activity sent by the business isn’t connected, Facebook can't tell if the person took this action because they saw a business’ Facebook ad or not. In some instances, we rely on other information, like IP address and user agent to help connect events.
Facebook users can see a summary of off-Facebook activity associated with their account and disconnect it using our Off-Facebook Activity feature.
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