> I think the power-law effects you describe have been true of tourism forever. Yes, they are an emergent property any time you have a communication network wh

> I think the power-law effects you describe have been true of tourism forever. Yes, they are an emergent property any time you have a communication network where people rebroadcast information based on their preference, but restricted to the set of choices they are aware of. But I believe the exponent of the power curve increases as the amount of resharing goes up. Before social media, you were still limited by what travel books you saw in a store, or where your friends went on vacation, but there was less reverberation and resonance in the network and a relatively flatter power curve.