Source: http://valleywag.gawker.com/jack-dorsey-...

Yes, you're on a roll, but this is some crazy talk....  

"What if we see the receipt more as a publishing medium — a product unto itself that people actually want to take home, that they want to engage with, be fully interactive with?" Dorsey asked a room of people at the Javits Center today during the National Retail Federation's annual expo.

"What can we do with this everyday tool?" he said. "What can we build into this canvas that's actually valuable, that's independent of the product you just sold? What can you give in this communication channel, this publishing medium, that people want to engage with?

[...]

Another way retailers could better use receipts is by adding their Twitter handle to them, he said.