Competition between internet giants Yahoo and Google intensified recently with dueling media events. Knowing that Yahoo was about to abandon their long-term relationship, Google attempted to trump the announcement by proclaiming it added 1 billion web pages to its massive index. The business and technology media jumped on the story, reporting that the battle for search supremacy might herald the beginning of explosive new growth in internet services and online ad revenues.Most frequent messages: 1. Yahoo and MSN will challenge Google's search dominance 2. Search drives lucrative advertising revenues 3. Users' internet experience is at stake 4. Google is the strongest internet search brand 5. Google is expanding its services Based on 70 articles from global internet portals and business and trade print outlets from Feb. 16-20. Evaluation and analysis by Cymfony, Inc.