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Wix App Collections are special collections that come from some Wix apps you may have added to your site. These collections appear automatically in your Content Manager when you have Wix Data enabled. Wix app starter collections are read-write and are totally customizable, like any collection you create manually. You can use the information in these collections just like you would use information in a collection you created yourself. With the data you can do the following:Display content from App collections in your page elements. Use code that references these collections to add customized features to your apps.