Question of a day: where to put a message?

Just got this pic in my twitter from Valdis Krebs:

I’ve decided for Heather, and let me explain:

• this person isn’t the most interconnected:
  • Diane – 6 connections,
  • Fernando, Garth – 5,
  • Andre, Beverly – 4,
  • Carol, Ed, Heather – 3,
  • Ike – 2,
  • Jane – 1.
• Diane is the most obvious selection – she has the highest centrality (where n = 10, deg(v) see before as connections’ count):

• • Andre – 0.4,
  • Beverly – 0.4,
  • Carol – 0.3,
  • Diane – 0.6
  • Ed – 0.3,
  • Fernando – 0.5,
  • Garth – 0.5,
  • Heather – 0.3
  • Ike – 0.2,
  • Jane – 0.1.

but she’s the only connection with the shortest path - the maximum route length (thus also message distributing speed) will be:

• for Diane – 5 nods,
• for Heather – 2 nods.

And the winner is… Heather! (as the fastest message spreader).

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