ISpot.tv, the TV ad measurement company trusted by hundreds of disruptive brands, is excited to announce today that it is bolstering the rapid adoption of its industry-leading TV advertising analytics with an additional $30 million of investment capital. The Series C round was led by two prominent investment firms, Insight Venture Partners and Madrona Venture Group, and brings total investment in the company to $57.8 million since the company became the first to offer real-time TV advertising analytics at scale in 2012.