WolframAlpha search engine WolframAlpha is a privately owned search engine that allows you to “compute adroit-level answers using Wolfram’s breakthrough algorithms, knowledgebase, and Détiens technology.”
There's more to YouTube than meets the eye. https://k12.instructure.com/eportfolios/784642/Home/Tout_ce_que_Vous_Devez_Savoir_sur_le_Service_de_Dbarras_appartement