Phones with Browsers

I find the statistics about search migrating from PC’s to phones to be particularly compelling.  That is, according to wikipedia, there are 850 million personal computers in use, and 3.3 billion mobile telephones (as of November 2007).  

Identify High Traffic Keywords

High Traffic keywords deserve special treatment!  If you have  a keyword which represents more than 5% to 10% of your impressions, clicks, or ad spending, and are not giving it special treatment, then you’re dropping the ball.