No, not from me. I stumbled upon this excellent article from Chuck Wendig the other day: http://terribleminds.com/ramble/2014/08/10/how-to-promote-yourself-and-your-books-without-feeling-like-a-soul-selling-sleaze-sucking-slime-glob/
A lot of the advice he offers syncs up with what I’ve heard from other people, and I can tell you firsthand how irritating it is when a writer you’re following on social media does nothing but spam his or her wares. I can also tell you that self-promotion is probably the single most difficult and confusing part of being a modern writer. Introverted as I am, I’m still trying to get a handle on how to do it effectively.
The Third Eye Opened 