Something new, large, and round has dominated the Las Vegas skyline since July: Sphere. After debuting this summer, the state-of-the-art entertainment venue became instantly recognizable thanks to pictures and videos on social media and Reddit. Some of the most viral posts depict the 580,000-square-foot, fully programmable LED Exosphere projecting a giant yellow emoji that smiles, sleeps, and follows airplanes flying overhead with a look of wonder. According to Jared Miller ’98, MBA ’03, SM ’03, Sphere’s growing popularity even before its official opening last September — when the Irish rock…