ROI is something we all try to gauge, and even experts will tell you that analytics aren't fail-proof. But with all of the different ways to communicate and ways to disperse your time and energy, it is important to try to understand this growing and evolving area.
This post deals specifically with web traffic, but it's worth a read to learn a little more about analytics. It may also help you in your writing, as it addresses keywords, SEO, etc.
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