As more people adopt Al technologies such as Amazon's Echo, we will likely see

A$.$ a decrease in the demand for data analytics services

B$.$ no change in the volume of big data collected about individual preferences since the Echo does not collect data

C$.$ a decrease in the volume of big data collected about individual preferences

D$.$ an increase in the volume of big data collected about individual preferences

E$.$ no change in the volume of big data collected since it is illegal to eavesdrop on individual households