Susan Wojcicki, the former CEO of YouTube and a key figure in Google's rise, has died at 56 after a two-year battle with lung cancer. Her husband, Dennis Troper, announced her passing on Facebook, highlighting her immeasurable impact as a mother, friend, and professional. Wojcicki was one of Google's earliest employees, having joined in 1998, and played a pivotal role in the company's advertising strategy and the acquisition of YouTube in 2006. Under her leadership, YouTube flourished, becoming the leading video platform and a significant revenue generator for Google. Tributes from industry peers, including Google CEO Sundar Pichai, praised her visionary contributions to technology and digital media. Wojcicki's legacy will be remembered for her transformative role in shaping the digital landscape.