February 10, 2016
Airbnb quietly removed 1,000 listings in New York City — potentially illegal rentals of entire units — off its platform in early November, just before a significant, well-publicized release of its own data, according to a pair of independent researchers who collected data over a one year period….
Source: http://recode.net/2016/02/10/did-airbnb-purge-potentially-illegal-nyc-listings-ahead-of-its-own-data-dump/