Day nine is primarily a revision of the Google Trends technique introduced on day 8. The goal is to reduce your number of niche markets to two.

The Day 8 video explains why seasonal trends can lead to misleading traffic estimates in WordTracker, and shows you how to take the keywords you’ve selected for your niche markets and use Google Trends to estimate the traffic you’ll really get in Google.

Definitely a useful technique!

You’re looking for keyword phrases in your niche markets that will deliver 80 - 100 visitors a day, as estimated using Google Trends

Day 3 of the Thirty Day Challenge concentrates on learning to use the Free Wordtracker Keyword Suggestion Tool, to find keywords and check search volume for your niche markets.

Then checking the competition by checking out the Adwords ads for those markets on Google. A market with little in the way of advertising is a warning sign