For anti-government protesters in Iran, it can hard to get one’s message out when the media and internet are censored. So activists have turned to a far older high circulation mass-medium, banknotes, to spread their message and let people know that the spirit of resistance has not been crushed. The Central Bank of Iran has tried to take politically branded banknotes out of circulation, but there are too many of them. Green ink is typically used. Take a look.