system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How can bots like !remindme bot simultaneously scan through thousands of comments posted every minute under many different posts, in different communities?
gpt
Because it's not a single entity. Think of it like a (massive) company instead. There are a large number of workers, each assigned to look at new comments from a small number of sources (possibly down to an individual person). When things get busy they probably even do the computer equivalents of calling in temp workers to handle the extra load.