You'd think that by now we'd learn not to trust things called "Incognito Mode" but here we are I guess.

https://arstechnica.com/tech-policy/2026/04/perplexitys-incognito-mode-is-a-sham-lawsuit-says/

Perplexity's "Incognito Mode" is a "sham," lawsuit says

Google, Meta, and Perplexity accused of sharing millions of chats to increase ad revenue.

Ars Technica
@nateb a sham is an understatement IMO