Spotify - Map shows when two people play same song at same time
Product Hunt - A website that lets users share and discover new products
SoundCloud - Enjoy music & follow favourite artists
Top Hunt - Browse the top upvoted posts from every day on Product Hunt
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Product Hunt Digest - A simple open-source product that generates a daily digest of top performing products on Product Hunt directly to your Slack.