Overlooked is definitely the right word here, especially when it comes to tip #2. Each social network serves a different purpose, so it's important to keep that in mind with marketing campaigns.
Also, #3 (have fun) is a great piece of advice. Social media shouldn't be a boring chore. See everything you do on social platforms as a continuation of your offline work. Share stories that inspire you, for example.
Love this article written by Megan Ritter!
Read it at http://justcreative.com/2014/10/16/social-media-tips-to-boost-branding-clicks-conversions/