This feature allows you to exclude specific Leads from being tracked by any non-Wishpond tracking codes you have added to your Wishpond Campaigns. If you set a Lead to "Not Allowed" to be tracked by 3rd Party Apps, then when they visit your Campaigns, those tracking codes will be disabled for them.
Why use this feature?
The EU's GDPR legislation gives people the right to choose where their personal data is sent to. If an EU resident asks you to not send their data to any other app, then you can set them to "Not Allowed" to be tracked by 3rd Party Apps to make sure that doesn't happen.
This feature can be found, and edited, in each Lead's Lead Profile.