“the joy of not being sold anything” is an expression of astonishment and relief. Astonishment, because it is rare to see nowadays a blank billboard; relief, because we see there is nothing to advertise.
So the original message means "I did not buy anything and now I am happy about it'.
#work #buy #consume #die #buynothingweek #buynothingday #buynothinghour #buynobody #consumerism #minimalism
#work #buy #consume #die #buynothingweek #buynothingday #buynothinghour #buynobody #consumerism #minimalism