Liabilities would be a well-defined measurable impact, and much needed since the industry obviously isn't going to change in this environment. $X per user, $Y i

Liabilities would be a well-defined measurable impact, and much needed since the industry obviously isn't going to change in this environment. $X per user, $Y if the information includes anything that could be used to do serious damage (CC numbers, health history, personal messages to/from other users).