As indicated in the introduction, data streams and data stream manipulation are important features of CASCADE. While the functions described in this section are not intend for end users in there current form, the data being examined here is exemplar of the kinds of data streams that will be used to drive CASCADE process and agents. A brief overview is provided to give the reader a sense of where CASCADE will be going in the future. There are three kinds of data being collected and analyzed in CASCADE at the current time, user activity, gross actions, and micro activity data. They are discussed below.