Pokemon X and Pokemon Y Wonder Trade
Wonder-Trade is accessible thru the PSS atop menu on the Touch screen on you 3DS 3DS XL Or 2DS System and is an awesome NEW Feature exclusive to and introduced in Gen 6 of Pokemon games. Currently ONLY Pokemon X and Pokemon Y fall into this category and it is yet to be determined if this feature will or wont be carried over in titles going forward.
What is Wonder Trade?
In short its like a blind/random speed trade feature
How does it work?
Simply access the WT ( Wonder Trade ) , You'll be prompted/forced to save as is usually PAR for the course in most Trade/Online activity in the series then you can select a Pokemon from your Party or PC ** See IMPORTANT Note below ***
Then just put the Pokemon in and wait to get a trade **
To use Wonder Trade YOU MUST HAVE A WiFI access point and be connected to the internet!
To Connect to the internet click the Icon on the touch screen that looks like signal bars