Separately, the Silicon Valley company recently introduced a new layer of Google Trends, which calculates a site's audience by using a combination of search data, opt-in panel data and other third-party market research. "Anytime Google appears as a direct competitor and gives away a product for free, the initial reaction is that it's a terrible thing" said Todd Greenwald, senior analyst at Signal Hill Capital Group in Baltimore, who said he expects ComScore's stock to bounce back. Full Article at The Washington Post