The 14 Best Content Planning and Research Tools
Webbiquity
MAY 17, 2016
4 Best Content Planning Tools. 10 Best Content Research Tools. For example, almost no one looked for information about “content marketing” prior to early 2011, but interest really soared a couple of years later, with search volume tripling between December 2012 and January 2014. Pricing: $60 to $300 per month.
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