POP Tracker (POPT) is the leading supplier of 3rd party proof of performance solutions to the Out of Home industry. POPT is integrated into the vendor supply chain to deliver campaign visibility through development, production, distribution, installation and posting. Data can be captured using the POPT mobile app or supplied to the platform via API. Activity is tracked via a centralized, third party portal which results in greater accountability and drives efficiency for each member. The POPT platform offers the flexibility to function separately or be integrated into existing client workflows to guarantee information is available in the most convenient and efficient format. Reporting and campaign analysis improve performance and help maximize return on future media choices.