Where is Second Measure getting their data from? Is it statistically valid? They say they analyze "billions of anonymized purchases" which suggests some sort of

Where is Second Measure getting their data from? Is it statistically valid? They say they analyze "billions of anonymized purchases" which suggests some sort of credit card or bank account scraping.[1] Like the sort of thing those budget management apps do. But... given how small the Model 3 customer base is and how affluent they are, how likely are they to participate in such schemes? Or are they buying wholesale aggregate data from credit card companies? Can they do that? [1] https://www.quora.com/Where-does-Second-Measure-get-its-customer-transaction-data https://www.quora.com/Where-does-Second-Measure-get-its-cust...