Look at the two dots below zero showing the idea that negative rates should start now and continue into 2016. Thanks to Leon Berkelmans for pointing this out. 

Bleg: Do I need to change my title? Has this happened before?

For those who want to get some evidence of causality between awareness of how easy it is to break through the zero lower bound and leaning toward negative rates, see the schedule of my travels so far to talk about eliminating the zero lower bound here.