YouTube released a blog post written earlier this year by its former CEO Susan Wojcicki, who died in August after a battle with lung cancer.

YouTube released a statement from its former CEO Susan Wojcicki, three months after she died of lung cancer at age 56. The letter was written just weeks before her death. The time of the letter was planned to coincide with November as it is Lung Cancer Awareness Month.

In the letter, Wojcicki said that she was "totally shocked with this diagnosis" because she never smoked and was running a few miles a day. The 'Most Important Lesson' I Have Lear