About r/DidntKnowIWantedThat
In its own words:
This subreddit is the perfect place to find all products you didn't know existed, but suddenly want, right after you've seen them!
Community guide
r/DidntKnowIWantedThat (#798, about 1.3 million subscribers) is oriented around: This subreddit is the perfect place to find all products you didn't know existed, but suddenly want, right after you've seen them! Recent activity samples show 0.0 posts/day in recent samples. Public rules we collected include: Do not violate the reddiquette; Direct image links required; No spamming; Threads must have descriptive titles; Flair your posts appropriately.
What belongs here
Stay inside the room’s stated scope rather than adjacent off-topic dumps. Self-promotion and ads are limited—read those rules before linking your own work. Match posts to: Do not violate the reddiquette; Direct image links required; No spamming; Threads must have descriptive titles.
How it differs from lookalikes
Prefer this room when your post matches its description and rules—not merely a larger sibling community. Skim the full public rule list once rather than assuming defaults from similar subs.
Practical pointers
Read the live sidebar/rules before posting; collected snapshots can lag.
SubMouse Editorial
The community was created on Jun 14, 2018, which makes it 8 years old. Since Oct 26, 2026, it has gained 0 subscribers (+0.00%). It sits just behind r/FUCKYOUINPARTICULAR (#797) and ahead of r/sysadmin (#799) in our ranking.
What sets r/DidntKnowIWantedThat apart
Growth has more or less levelled off (0.00% since Sep 19, 2026), which is common for very mature communities.
Subscriber growth
Between Sep 19, 2026 and Nov 2, 2026, r/DidntKnowIWantedThat stayed flat from 1,338,642 to 1,338,642 subscribers. The chart uses our weekly snapshots (9 so far), so it gets longer every week.
Activity and best time to post
The public archive holds 45,202 posts and 674,767 comments in total, about 14.9 comments per post.
Rules of r/DidntKnowIWantedThat
The moderators of r/DidntKnowIWantedThat list 6 rules. In short:
- Do not violate the reddiquette
- Direct image links required
- No spamming
- Threads must have descriptive titles
- Flair your posts appropriately
- DISCLAIMER
How to join
Open reddit.com/r/DidntKnowIWantedThat and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How big is r/DidntKnowIWantedThat?
r/DidntKnowIWantedThat has 1,338,642 subscribers (Nov 2, 2026), which makes it the #798 safe-for-work subreddit in the SubMouse ranking.
When was r/DidntKnowIWantedThat created?
r/DidntKnowIWantedThat was created on Jun 14, 2018, so it has been around for 8 years. The oldest post in the public archive is from Jun 19, 2018.
Is r/DidntKnowIWantedThat still active?
Over its lifetime the archive counts 45,202 posts and 674,767 comments.
What kind of posts are on r/DidntKnowIWantedThat?
The community describes itself as: “This subreddit is the perfect place to find all products you didn't know existed, but suddenly want, right after you've seen them!”
Is r/DidntKnowIWantedThat SFW?
Yes. Reddit does not mark r/DidntKnowIWantedThat as an 18+ (NSFW) community. SubMouse lists safe-for-work subreddits only.
What are the rules of r/DidntKnowIWantedThat?
Join the community on Reddit first, then use “Create post”. r/DidntKnowIWantedThat accepts link and media posts (no plain text posts), with images, videos and galleries enabled. It has 6 posted rules, starting with: “Do not violate the reddiquette”; “Direct image links required”; “No spamming”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
What subreddits are similar to r/DidntKnowIWantedThat?
Communities with similar topics include r/ShouldIbuythisgame (1.5M), r/YouShouldKnow (5.6M), r/agedlikemilk (1.4M), r/mildlyinteresting (25.4M) and r/cookingforbeginners (2.2M).
Stats from public data (data updated Nov 2, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 6, 2026). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/DidntKnowIWantedThat.