Sunday, August 03, 2014

Robot Message Carrier

This was probably the twitter of 19th century. This device had a rolling paper in which one could attach a message by dropping a coin. The message would be rolling and visible for 2 hours. 
Many of these were installed in public squares where people would fix time of meetings. And in case somebody had to leave they could leave the message hoping that the intended person shows up within 2 hours. 
I feel we should still have these ! 

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