The old sales cliche is right; if you never ask for the sale, you're sure to never get it. The same laws of business communication often accompany review generation. If you don't ask your customers to give you a review, you are often certain to have them not think about it. You do not have, because you do not ask.
There are as many tools to selecting the right keywords, as there are people on the internet. Here's a free tool that can help you brainstorm the keywords currently used on the top search sites.
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There may be billions of options for what to click on, but Google still handles 3 of every 4 searches. Here's a free tool to guide you through getting your google setup. If you'd like us to do this for you - just sign up for two hours in our store and we'll get you setup.