Hacker News on 20 April 2021

• The Endless Acid Banger: algorithmic self-composing acid techno music
• Apple Introduces AirTag
• Grafana, Loki, and Tempo will be relicensed to AGPLv3
• IBM employee forced to stop kernel work under personal email address
• YouTube CEO Susan Wojcicki Gets 'Freedom Expression' Award Sponsored by YouTube
• Discord ends deal talks with Microsoft
• YouTube CEO receives freedom of expression award sponsored by YouTube itself
• Spotify is killing the open podcast ecosystem (2020)
• Show HN: I'm working on a open-source, self-hosted alternative to Disqus
• iPad Pro M1