[pretty_bubbles]

Unlikely this patent will ever get used for something, but I think it could actually be used for good: if there's some music that makes me happy and some music that makes me sad without realizing it, it would be nice for "Spotify" to detect this and let me know/change the style of the music.

[overscore]

That sounds like a nightmare to me - the antithesis of something good.

[Cthulhu_]

Facebook some years ago already played with people's emotional well-being in tests. A lot of the direct links to the articles have somehow been scrubbed from the internet, but here's the HN results: https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...

[NavinF]

https://xkcd.com/1390

[ohhhhhh]

could be used for very bad things