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Keep in mind that unless you have substantial resources (or happen to be a relative of Bill Gates), promoting your new eBusiness takes a lot of hard work and time to see results. So make the most of your time with these basic grassroots marketing strategies.
Promotion does not mean advertising. So, before you go out and spend a bundle of money advertising, start your marketing first on a grassroots level. Yahoo! has a set of free promotion tools that you can use to help your grassroots marketing endeavors.