Dear @Airbnb These passive-aggressive bus kiosk ads are *not cool* No love, the librarians https://t.co/rdo39E7sdz pic.twitter.com/Lf3TCAYYbw — jessamyn west (@jessamyn) October 21, 2015

Wow. A photo posted by Eric Eberhardt (@idontlikewords) on Oct 21, 2015 at 1:02pm PDT

It's not just the libraries being targeted by the campaign. There was also an ad for the public works department.

And the board of education.

San Francisco is in the midst of a debate about how to regulate Airbnb and other rental sites with a proposition on the ballot that's been the target of a well funded "No on F" campaign. Some residents are concerned that the service's hosts are keeping housing units off the market in a city where rents have sky rocketed and availability of rentals has shrunk dramatically in recent years due to the influx of technology workers.

[Image credit: Martha Kenney]