The last Nintendo console friend code swap we had was back in 2012. Well the Wii-U is out now, and it's finally gotten an ultra-popular game out for it (MK8), so let's do the swappy thing. 3DS/2DS users also welcome, for those games that take advantage of the recently-added Nintendo Network ID functionality on those systems. [more inside]
Let's trade Nintendo 3DS friend codes! [more inside]
WiiFi: Friend Code Time Round 2
Any Final Fantasy III dorks want to swap friend codes? I believe you can open up side quests by sending enough mail. I've edited the wiki's DS page to include FFIII mognet codes.