28 Resources from My Internet Marketing Toolbox
Viper Chill
MARCH 1, 2010
Google Keyword Tool When I’m testing the size of a market for pretty much anything, I like to use the Google Keywords tool which gives you an idea of how many people are searching for X (where X is your keyphrase) each month. If you market via PPC it gives you a decent estimate of the advertiser competition as well.
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