 We collected 120M posts from 2.1M users posted between 2018 and 2020 as well as metadata from 12M user profiles.
<meaning-changed>  We collected 120M posts from 2.1M users posted between 2018 and 2020 as well as metadata from 12M user profiles.
 We collected 120M posts from 2.1M users posted between 2018 and January 2021, as well as metadata from 12M user profiles.