The Moz forum
Moz forum is a reference. It is really easy to search for topics through the right toolbar and the moz members always try to do their best to help you out. If you are looking for SEO answers, this is the right place.
This forum is great because it is both for beginners and experts. Thanks to clear categories, it is easy to navigate and you can even know how many persons have contributed.
The plus of this forum? The ability to see if the owners are online and to see their profiles. Of course, it also provides great resources and interesting topics.
When registered, you will have access to web hosting topics but also SEO ones. This a very popular forum to know.
This trustworthy forum is highly valuable because of its great navigation. It is organized by categories and subcategories and provides a lot of topics related to marketing and SEO.
This forum is also a good resource for SEO queries and it hosts some great members.
I'm new in this forum, I am a consultant and have worked with multiple firms
You can check http://blog.advids.co/14-video-examples-used-by-sales-force-automation-sfa-software
one of my work.