Our unique Libraries feature lets you save lists of targeting or creative aspects that you can re-use across your campaigns, across your different Ad Accounts. This is a huge time-saving factor when you are running multiple campaigns or if you have complex targeting (such as using Interests lists).
These lists are found under the Optimize > Libraries menu on the left-hand navigation. They can be created for Facebook and Twitter, for any of the targeting or creative aspects as shown below. Simply hit New List to get started:
Libraries lists are stored at the Advertiser level, but you can easily share these between Advertisers by clicking on the Copy to button:
You can also save Interests lists for existing campaigns from the reporting screen:
Libraries lists can be utilized anywhere you see the Import button during the upload process for both Targeting and Creative: