comment by @edje I copy/paste here as well

For newbies: you may also refer them to this link "Useful STEEMIT TOOLS and LINKS", a collection of very useful links
https://steemit.com/help/@edje/useful-steemit-tools-and-links

The etiquette guide by @thecryptofriend
https://steemit.com/steemit/@thecryptofiend/the-complete-steemit-etiquette-guide-revision-2-0)

The help pages
https://www.steemithelp.net
and a whole set of Steemit tools created by the community
http://steemtools.com

I'm gonna update the link with some of the new posts I've seen which will help newbies as well to quicker understand Steemit and to navigate through the various services.