diff --git a/readme/hw.md b/readme/hw.md
index fcbd54e9..721da8fa 100644
--- a/readme/hw.md
+++ b/readme/hw.md
@@ -89,6 +89,7 @@
 
 **ʻIke hou aʻe**
 * [Myth Catalog](../subfiles/myth_catalog.md)
+* [How many % of top 1,000 most visited sites(2010) are using Cloudflare today?](../subfiles/google_ad_planner_top_1000_sites.md)
 * [The Great Cloudwall](../pdf/2019-Jeff_Cliff_Book1.txt), [Mr. Jeff Cliff](https://shitposter.club/users/jeffcliff)
   * Hoʻoiho: [PDF](../pdf/2019-The_Great_Cloudwall.pdf), [ePUB](../pdf/2019-Jeff_Cliff_The_Great_Cloudwall.epub)
   * Ua kāpae ʻia ka puke kūmole ebookbook (ePUB) e BookRix GmbH ma muli o ka ʻaihue kope ʻana o nā mea i ka CC0