A two-miles-per-hour world

The following series of maps depicts the speed at which news traveled to Venice, fron 1500 to 1765. The isochronic lines represent one week, and give a broad indication of the time required for letters to reach their destination. All three maps describe the speed of letters traveling toward Venice.Today, thanks to telephony and internet, this is all instantaneous. Kind of amazing how we went from weeks and weeks for news to get around, to mere seconds, in a matter of just several centuries. The moment I press 'publish' on this news item, it's there in your browser, hitting the RSS feeds, going on Twitter.