Web traffic to the Microsoft parent company increased 4% YTY, from a three-month average monthly unique audience of 113.7 mln unique visitors in Q1 2006 to 117.8 mln unique visitors in Q1 2007. MSN’s estimated revenue from image-based ads increased 4% from Q1 2006 to Q1 2007. MSNBC’s estimated advertising revenue grew 60% YTY, Nielsen//NetRatings reports.