Robot emoji: https://commons.wikimedia.org/wiki/File:Fluent_Emoji_high_contrast_1f916.svg Bing smile emoji: https://www.bing.com/images/create/a-black-and-white-emoji-with-a-simple-smile2c-black/6523d2c320df409581e85bec80ef3ba8?id=KTdVbixG8oRqR9BzF6AblQ%3d%3d&view=detailv2&idpp=genimg&idpclose=1&FORM=SYDBIC