2. There is a second option, and this is to bring the computation into the PDA. The PDA is not just a datastore, it has computational capabilities native to the PDA that can access and process its own data, without the data leaving. We call the compute element a PDA Function or Tool. However, PDA Functions/Tools have to be created and trained outside the PDA and when they are ready, the pre-trained Functions/tools have to be reviewed, approved and installed onto the platform before all PDAs can use them to generate the insights.