> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.trendhero.io/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# 2023-02-14. Ad post library and Premium filters updates

Now you can get more results using Ad post and Discovery sections. 

### Ad posts library update

Ad posts is a [huge catalog](https://trendhero.io/app/posts-catalog) of posts with mentions. Our customers use it to: 

*   check influencer collaboration history and friends, 
*   find brands that collaborate with influencers, 
*   search for influencers who promote in a certain niche,
*   get examples of promotions. 

![](https://storage.crisp.chat/users/helpdesk/website/41d824f6d33fa400/461ab730-b3ba-490b-986d-601197_19tm2y3.png)In this release we've updated this library + updated algorithms to replenish it.

So now you can get more posts. 

[Try it](https://trendhero.io/app/posts-catalog) 

### Premium filters update

These filters are used for search by audience.

![](https://storage.crisp.chat/users/helpdesk/website/9fce6d92081ee800/1c8bc8be-232b-4655-8fb1-ea9a69_hlbuqq.png)

In this release we improved city recognition algorithms, that's why now you'll get more results using this feature for influencer discovery.

[Try it](https://trendhero.io/app/catalog)