Here are the differences between attendees of the DNC and RNC, according to Yelp

[jerryhuang100]

http://www.businessinsider.com/difference-between-rnc-and-dnc-on-yelp-2016-7

[schoen]

Have they compared this to ordinary levels of query volume fluctuations and considered other events that may have been happening in those regions at the same time?

[PaulHoule → schoen]

Probably not.

If you look at the top 100 pages on Wikipedia from one month to the next you see a huge amount of variation and churn on the list.