There is a lot of activity on community.rstudio.com. New threads and reply-post come in fast and cover a broad set of topics. It's sometimes hard to zero-in on the subjects we're most interested in.
A great way to stay on top of your favorite topics is to subscribe to specific categories and tags, and set-up your email notifications to how you like them.
Subscribe to specific categories and tags
To watch, track, watch first post, or mute specific categories and tags, go to your preferences.
For example, below, this user is subscribing to Watch threads tagged with