Serendipity uses information from Spotify to demo y'all the locations of 2 Spotify users who are listening to the same runway at the same time. The map shows the locations of 2 users who convey started listening to the same vocal on Spotify inside a 10th of a 2d of each other, inwards unlike towns, cities, states, nations or timezones.
The affair I most similar most this application is the purpose of a stereographic projection. The Web Mercator projection seems to dominion the roost inwards online mapping these days, then it is squeamish to run across a unlike map projection become a rare outing.
When the map progresses from 1 paired serendipitous vocal to the adjacent duad of users it animates to a novel map view, which is item interesting to lookout adult man amongst this stereographic projection. You besides become a quick smash of each novel vocal featured equally the map animates but about the world.
The map was created amongst the aid of D3.js. If y'all desire to purpose a stereographic projection inwards your ain maps y'all tin cheque out the D3.js code for this map projection in addition to a demo stereographic projection map here.
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