Google and Yahoo win; Advertisers need to rethink advertising strategy

Nielsen/NetRatings is reporting that demand for search advertising is growing faster than search engines can meet it.  Wow.  What a great time to be a Google or Yahoo.  The reason is simple:  What those analysts predicted during the boom years is coming true, though just a few years later than they predicted.  We are surfing the Net not just to read emails or chat with friends.  We are basically searching.  Take a look at the chart below showing the growth in search sessions during last 12 months.  I think this trend has many serious implications for advertisers and I have tried to address some of these in my article:  Search engine advertising strategy:  How to respond to new challenges?