Duo himself, who stares at users and follows them around until they use the app (in the video, Duo is depicted by a person in a large mascot costume). On 1 April 2022, Duolingo released another video in the form of a spoof legal advertisement where the lawyers sue the company for damages due to family members going missing, once again alluding to the meme. In November 2019, Saturday Night Live parodied Duolingo in a sketch in which adults learn to communicate with children using a fictitious course on the app entitled "Duolingo for Talking to Children". See also Computer-assisted language learning Gamification Language education Language pedagogy List of language self-study programs Notes References External links Social networking language-learning websites Proprietary language learning software Education companies established in 2011 Internet properties established in 2011 American educational websites 2011 establishments in Pennsylvania Companies based in Pittsburgh IOS software Android (operating system) software 2021 initial public offerings Companies listed on the Nasdaq