Set up the code for a content ad unit
Setting up the ad unit code is the last step in implementing the ad unit. pubCenter does the work of generating the code for you. Once generated, you will implement this code within your webpage.
If you choose to include appearance settings in the code itself, this can create more work if you want to change settings on all your ad units. Including the appearance settings lets you adjust an ad unit and customize it everywhere it appears; leaving it out allows you to update settings simply through the pubCenter UI. Weighing this flexibility versus convenience decision is the main criterion for choosing to include format settings.
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