I believe you are incorrect. See this report from over a year ago which states $...

rtanaka · on April 18, 2014

Hmm, it appears you're right. I was coming from a proper P&L perspective: http://en.wikipedia.org/wiki/Profit_and_loss_statement#Usefu...

sutterbomb · on April 18, 2014

I think it still is a proper P&L perspective to label this revenue. Similarities in other markets:

- a payment processor doesn't label all money flowing through the system as revenue, just their cut of it.

- a marketplace like Etsy has gross merchandise sales that tracks how much has been bought on their platform, and revenue just accounts for what they took in