diff --git a/what-to-do.md b/what-to-do.md
index ccacd0fb..b8a1e9ad 100644
--- a/what-to-do.md
+++ b/what-to-do.md
@@ -91,3 +91,4 @@ Let's talk about _other software's privacy_...
 
 - For companies that claim to _offer service on their website_ try reporting them as "_false advertising_" to consumer protection organizations and BBB. Cloudflare websites are served by Cloudflare servers.
 
+- the [ITU](https://www.itu.int/en/ITU-T/Workshops-and-Seminars/20181218/Documents/Geoff_Huston_Presentation.pdf) suggest in the US context that Cloudflare is starting to get big enough that antitrust law might be brought down upon them.
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