What other hobby...


has has an infinite number of variables like this one?
needlebrush
@robjerman,

Chess and audio and chess used to constantly battle it out for my attention.

In the end audio won out for fun value but I still enjoy watching it on YouTube.

Especially all that trash talking on Coffee Chess.

https://youtu.be/9o6muR3EfhM
Photography.  At least we got past the analog vs. digital debate (for the most part).
Even though color is the mainstream preference, monochrome may be making a comeback...
Remind you of anything in audio?