In part 1 I dove into Spotify Codes and explained the general technical concepts of how they work. If you haven’t read that post you should check it out. I shared it on reddit where it generated a lot of interesting discussion. Ludvig Strigeus, a key early developer at Spotify and the person who invented Spotify Codes, even stopped by and shared some more information on their creation and the rationale behind them!...
Spotify Codes are QR-like codes that can be generated to easily share Spotify songs, artists, playlists, and users. I set out to figure out how they worked, which led me on a winding journey through barcode history, patents, packet sniffing, error correction, and Gray tables. Spotify URIs Let’s start with Spotify URIs (Uniform Resource Identifiers). Different pieces of media (artists, albums, songs, playlists, users) all have a URI. The ABBA song “Take a Chance on Me” has this URI:...