Omar was a twice-failed entrepreneur, undeterred and working on a new idea when we met him. His entrepreneurial failures created wonderful scar tissue that was the genesis for AdMob. In an introductory phone call in 2006, he demonstrated confidence, poise, and determination around his unorthodox vision: to monetize mobile apps by ignoring the carriers and focusing entirely on the mobile developers. We immediately asked him to fly out for a meeting. Forty-eight hours later we closed the Series A with him, and he moved west to incubate AdMob in our offices.