There are plenty of things I wish I knew when I started working in tech 15 years ago. Jumping into any new role or working in a new industry that you're not always familiar with can feel overwhelming and even intimidating. Related: The Woman CEO Who Changed My Life -- and the Lessons She Taught Me About Business Success Throughout my career, first with PayPal, then eBay, and now Facebook , I've learned many things the hard way that helped get me to where I am today.

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