comScore Media Metrix Ranks Top 50 U.S. Web Properties for January 2012 MarketWatch (press release) ... Work and University Locations Source: comScore Media Metrix Total Unique Visitors (000) Dec-11 Jan-12 % Change Total Internet : Total Audience 220439 220154 0 Business/Finance - Taxes 6685 30715 359 Retail - Computer Software 41616 54081 30 Travel ... |