# CommentWatchDog blog

> Comment moderation for Facebook and Instagram ads and posts: how the platforms behave, what spam and damaging comments cost, and how to keep comments clean. Every post exists as Markdown at the URL listed.

## Facebook and Instagram

- [Who can see a hidden comment on Facebook, and on Instagram](https://commentwatchdog.com/blog/who-can-see-a-hidden-comment.md): Meta's exact words for each case: a Page post, a profile post, Moderation Assist, a comment marked as spam, Instagram's filters and a manual hide. As of September 2026.
- [Private replies to comments, and the 24-hour window that follows](https://commentwatchdog.com/blog/private-replies-24-hour-window.md): A private reply turns a comment into a message. Meta's one-message and seven-day limits, the 24-hour follow-up window, and what a refused reply looks like.

## Facebook

- [Bot comments on Facebook: how to tell them apart and stop them](https://commentwatchdog.com/blog/bot-comments-on-facebook.md): What bot comments under Facebook ads look like, why they arrive, and the three Page controls that stop them, with counts from my own ads in September 2026.
- [How to hide comments on Facebook ads, one at a time and automatically](https://commentwatchdog.com/blog/hide-comments-on-facebook-ads.md): The three places Facebook lets you hide a comment on an ad, what a hidden comment means, Meta's own automatic filters and where they stop. As of September 2026.
- [How to delete spam comments on Facebook ads, one and in bulk](https://commentwatchdog.com/blog/delete-spam-comments-on-facebook-ads.md): Which of Meta's screens deletes an ad comment rather than hides it, the three taps per comment, and how to clear hundreds under one ad at once. As of September 2026.
- [Moderation Assist on Facebook: what it hides and what it leaves to you](https://commentwatchdog.com/blog/moderation-assist-what-it-does.md): Facebook's built-in comment moderator, tried on a real account in September 2026. Every criterion it offers, what a hidden comment looks like, and where it stops.

## Instagram

- [How to hide comments on Instagram Live, as the host and as a viewer](https://commentwatchdog.com/blog/instagram-live-comments.md): The host's switch, the one moderator and what they can silence, the filters that reach a Live, what survives the broadcast, and the viewer's honest answer.
- [How to unhide comments on Instagram, from all four places they hide](https://commentwatchdog.com/blog/unhide-comments-on-instagram.md): A comment can be hidden by you, by Hidden Words, by Limits or by a restriction, and each has its own way back. Instagram's steps for all four, with dates.
- [Bot comments on Instagram: what they are and the five tools that stop them](https://commentwatchdog.com/blog/bot-comments-on-instagram.md): Written for the account getting the bot comments, not the one buying them: Instagram's five controls in Instagram's words, their limits, and my own count.
- [Instagram Hidden Words, tested: what it hides and what it misses](https://commentwatchdog.com/blog/instagram-hidden-words.md): Instagram's own comment filters on a real account in September 2026. The three switches, the custom word list, what a hidden comment means, and where it stops.

## Spam

- [Bot comments: the seven shapes, who sends them, and how to stop them](https://commentwatchdog.com/blog/bot-comments.md): A field guide to bot comments on Facebook and Instagram: seven shapes with real examples, who sends them, Meta's figures, and one rule set for both.
- [Emoji comments: why bots post them and how to hide them](https://commentwatchdog.com/blog/emoji-comments.md): Rows of the same emoji from accounts you do not know are mostly bots. Why they post them, what my rule caught since August 2026, and how to hide them.
- [Spam comments on Facebook ads: the six patterns under my own ads](https://commentwatchdog.com/blog/spam-comments-on-facebook-ads-patterns.md): 727 comments deleted under my own Facebook ads in thirteen days of September 2026, sorted into six patterns, with the rule that catches each. Real examples, dated.
- [Why spam and scam comments under your ads cost you money](https://commentwatchdog.com/blog/spam-under-ads-costs-money.md): What lands under a real ad with 124 comments, what advertisers say it does to their numbers, and Meta's own figures on the scale of it. As of September 2026.