Democratic presidential candidate Barak Obama’s online organizing and fundraising successes are perhaps unprecedented. He’s also the query volume king, among the candidates. But how does he do as an online marketer? We might not know his CTRs or how his campaigns “convert” but now we know where he spent his money. According to US Federal Election Commission records, examined and parsed by ClickZ and further explored by PaidContent, Google has won the lion’s share of the candidate’s online spending.

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