There's a whole thread dedicated to this, notwithstanding the fact that you can simply add those things on your profile nowadays.
Quote from: PIXLEsauce on October 01, 2014, 11:23:51 AMI'm aware, I just thought it'd be more convenient to have it all in one place.It kinda is in one place, I linked everyone's profiles in the OP, except for the PSN IDs because I have no idea how to use Sony's website.
I'm aware, I just thought it'd be more convenient to have it all in one place.