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# WhatsNew Information

WhatsNew information is the latest information that is available for the clusters that Category identifies in your snapshot.

You can generate WhatsNew information by comparing two snapshots (that have the same name or different names).

Category saves the results of the `ClusterCluster` action in configuration files (`.cfg`) in the `Clusters` subdirectory of the `Cluster` directory of your IDOL Category component installation. You can use the `ClusterResults` action to retrieve them in XML format.

If you configured the `ClusterCluster` action to generate a 2-D map of `WhatsHot` cluster information, you can use the `ClusterServe2DMap` action to return this map in one of the supported image formats (that is, GIF, PNG or JPEG).

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