"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
I have pretty thick skin, and I think if you're going to be in this business, if you're going to be an actor or a writer, you better have a thick skin.
I think any new technology that helps connect and create social cohesion is great. But at the end of the day, you and I are analog creatures. We have to take 'oohs and aahs' and convert them to 0s and 1s and then convert them back to 'oohs and aahs.' Narratives that work in social networks are the exchange of stories that are told well.