Last night, we put a big QR code in the sky as we celebrated the opening of @PennMedicine’s new hospital, The Pavilion! ICYMI, check out what was behind the QR code (hint: you can win an Philly sports prize package): t.co/rEP2j6lCMe #ad #PennMed10 #PennMedicine t.co/UfEdds7gY6