https://doi.org/10.1017/9781108890960 Published online by Cambridge University Press

128

Erika Franklin Fowler, Michael M. Franz, & Travis N. Ridout

European regulations would prevent this information from being used to target
their citizens,21 but there is nothing preventing the platforms from allowing
targeting by ideology for the United States. In short, although a lot more
information is now available, the lack of consistency across platforms, the
level of aggregation of the information, and the information that is excluded
altogether will continue to present challenges to researchers attempting to better
understand online targeting.

measuring digital spending
Social_Media_and_Democracy