How good is your etiquette on LinkedIn?

This greast infographic by Top Dog Social Media gives you twenty do’es and don’ts!

Takeaways:

• Profile Picture: Make sure you’ve got a profile picture, if you can, get a professional to do it.
  
• Invitations: Personalise your message, every time.
• Connect: Introduce your connections to others in your network.

What are your take-aways or what would you add?