[muyyatin2]

Do you have some links/references for someone wanting to learn more about this?

[telotortium]

Here's a simple explanation: https://news.ycombinator.com/item?id=34726719. Basically, with a sufficiently good lossy compressor, you can use entropy coding to encode the difference between the decompression output and the original file.

[optimalsolver]

http://mattmahoney.net/dc/rationale.html