>It should be possible, using relatively simple tools, for a person to immerse oneself virtually in language learning materials.

This is the key.

I would love to digitally immerse myself in a given language. Nowadays what I do is tune the korean news in Youtube while getting prep for work, listen to some podcast in the commute, attempt to read some korean newspaper in the afternoon. But my whole job as a programmer is in front of a computer, I'm sure the immersion could be more gradual, more fine tuned to be there but not enough to block my productivity, etc.

Any tips are welcome.