As of today Google is worth 100+ billion market cap and it got most of its
revenue just because of Advertising concept. Cnet has list of all Google
products and its rivals list competing. Yahoo, as of today is competing in all
product areas. MS is little late in this war Keywords advertising and Search
but shaping up well. There revenues keep on increasing and I don’t see major
threat to Google unless there is a big rock thrown on them in 2006. I wonder
what else could be the Google strategy to earn money other than advertising.
Read more at about products list at CNET
UPDATE: And more Lawsuits against them 
Recent lawsuit is on VOIP Patent read more at searchenginejournal. Then how skpe is survived from sue. Is it different from Gtalk/ Skype has not done any infringement? I dont know and I cannot read 38 pages of document.
