Analytics firm comScore Networks announced Monday the results of its February measurement of instant messenger usage around the world, with Europe surpassing the United States in IM users for the first time. MSN Messenger was also ranked as the most used client, garnering 61 percent of the worldwide market. According to the survey, 82 million people in Europe use instant messaging software, amounting to 49 percent of the online population. In the United States only 69 million of people use IM, or 37 percent of the online population. Latin America had the highest IM penetration covering 64 percent of Web users.