Buffett’s love of Google, quoting him: “Their moat of competitiveness is so wide..." She was referring to a conversation with Buffett and Charlie - anyone got

Buffett’s love of Google, quoting him: “Their moat of competitiveness is so wide..." She was referring to a conversation with Buffett and Charlie - anyone got more info on that? I don't think Google has a wide moat. I must be wrong. I want to know why.