We're talking about over 1,000 subreddits (and growing rapidly), including some of the very largest (~6 of the top 10, such as /r/pics, /r/aww, and /r/videos).

We're talking about over 1,000 subreddits (and growing rapidly), including some of the very largest (~6 of the top 10, such as /r/pics, /r/aww, and /r/videos). It will almost certainly have a noticeable effect, especially if many of these subreddits decide to hold the blackout indefinitely.