You can create new Advertisers by navigating to any of the Agencies in your Megaphone account. 

1) Click on "Add Advertiser"

Clicking this button will open a modal where you can enter the Advertiser's information.

2) Enter Advertiser Name

3) Set Competitive Categories

All of the IAB's Categories and Sub-Categories are included in the modal. You can select as many as make sense for each Advertiser. The categories are used for competitive separation - Advertisers with the same category associated won't run in the same podcast/episode. This is especially important if you are participating in the Megaphone Targeted Marketplace.

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