Daniel Alfon is the author of Build a LinkedIn Profile for Business Success. Daniel joined LinkedIn in early 2004 and publishes Articles , interviews and exclusive content about advanced LinkedIn strategies to clients and subscribers to his website, www.danielalfon.com .
Profile guide (free) https://www.quora.com/LinkedIn-What-makes-a-LinkedIn-profile-great/answer/Daniel-Alfon
Sharing frequency: https://www.linkedin.com/pulse/20140326164811-212135-how-to-optimize-your-sharing-on-linkedin/
Cheat Sheet/Giveaway : https://www.danielalfon.com/#freebie