When Mildred Kirschenbaum celebrated her 99th birthday, her daughter Gayle shared a video of her on Instagram, setting off a viral sensation. Gayle, initially using her account for photography, redirected the spotlight to showcase her mother's wisdom and the unique bond they share. The attention grew as Maria Shriver and other major media outlets, including NBC Today's Jenna & Hoda, CBS, and Fox, featured Mildred. Publications like the Daily Mail,...