Are tracking the location of everyday americans. >> do you know that the contracts with these data brokers like the one i described provide location data? >> my testimony about purchasing commercial database information that includes location data derived from internet advertising remains the same which is that we currently do not do that. >> but the information that you have that has already been purchased that contain location information? >> i don't know, i just know that the more you drill into this whole issue of commercial data, geolocation data, et cetera, it can get very involved, and ...