This post is by Tomasz Tunguz from Tomasz Tunguz
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In 2005, I started as a customer support rep in the AdSense team at Google. Over the next few months, I was trained in the art of handling hundreds of emails per day. My training focused on using a customer service tool called Trakken that Google had acquired and heavily modified to enable AdWords and AdSense teams to manage the torrent of inbound support emails from customers. In AdSense, a team of fewer than 100 people supported a few hundred thousand customers almost exclusively through email with customer satisfaction scores consistently above 90%.