Remember trends are important so if you stick to whatever you prefer just be consistent over time and you’ll be fine (don’t feel the need to get “un-brainwashed” from whatever camp you are currently in : )). 6 : Trend over time and don’t forget seasonality.
For example I placed an order for Mobile Madden 09 at www.eamobile.com by clicking on search ad at www.google.com for Madden 09. But the reality it I only considered EA because a couple days back I had clicked on an ad for Mobile Football Games on google.com.
You can click on the Export button and save the resulting Excel file. From the left navigation, in this example, click Consumer Electronics, then click GPS and do a merry dance. In the top bar click on the plus sign next to Advanced Search.
This is a rather obvious fact and we do our best with our Search Engine Optimization (SEO) and Search Engine Marketing (SEM) efforts to maximize our exposure via search engines (Google, Yahoo, MSN, Ask etc). 05, $1, and $10 a click.