There are a lot of different sources of data that you can use for SEO and keyword research. What tools and SAAS platforms have unique SEO data that can be used for your SEO campaign?
Platforms With Large Audiences Are Great For Topical Research
You can learn quite a bit looking at YouTube and Reddit, plus other social media networks like Pinterest (http://trends.pinterest.com). Don’t discount the value of understanding other people’s tendency to organize information for their audience. See what kind of content, questions and discussion bubble up in these various channels for your particular topic.
You may un-cover some unanswered questions, frequently asked questions with poor answers, or questions in one medium that can be translated into a new medium for your own project.