Before revision:  We used anonymized and aggregated mobility data from Google Location History usersto estimate the impact of social distancing recommendations on bulk mobility among users who have opted into this service. We found that state-of-emergency declarations resulted in approximately a 10 \% reduction in time spent away from places of residence.
After revision:  We used anonymized and aggregated mobility data from opted-in Google users, we found that state-level emergency declarations resulted in approximately a 10 \% reduction in time spent away from places of residence.