Imagine the possibilities for the Piazza San Marcos in Venice... it could become the world's largest internet router, LOL

Carrier  pigeons after a 125 years may again become popular as the only way one can sent a private message when you consider the government wants to, without warrants, wiretap your phone, electronic and all Internet Activity.  It is foreseeable government would then make it a law all people buying bird seed fill out a federal form the merchant would have to immediately submit to a law enforcement agency.