Q4 2012 Spending Grew 14 Percent to $56.8 Billion comScore Chairman Gian Fulgoni to Present Overview of Q4 2012 E-Commerce Trends in Upcoming Webinar Download image RESTON, Va., Feb. 7, 2013 /PRNewswire/ — comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its Full…