Auto-mate Conversation Starter emails going out for designated NPIs when the new data hits

Trigger automation based on a data release.
Users would like to be able to 'subscribe' to an NPI which allows them to receive auto-mated updates with relative details on changes to an accounts performance, destinations, volume, etc when the new data hits.
We could use favorites or targets for this 'subscription' automation idea.
Ex. When you favorite an account, then you can easily access it and it subscribes you to receive an emailed sales spotlight with updated info 4 times a year!