Earlier this week, Yahoo was accused of using change in its sofa cushions as compensation for reports of security exploits, but now the whole ordeal has generated enough buzz to bring about change for the internet pioneer. As it turns out, these small prizes (along with rewards such as t-shirts) were paid for out of pocket by Ramses Martinez, the director of Yahoo's security team, who took a moment today to explain the company's new -- and far more lucrative -- bou