Exactly, you have to tease out seasonality and the impact of special events like elections on user behavior. For example, is the percentage drop any greater tha

Exactly, you have to tease out seasonality and the impact of special events like elections on user behavior. For example, is the percentage drop any greater than after previous elections? I think people underestimate the truly global scale of Facebook. Even then, the US is a fraction of FB's user-base.