While the Game Developers Conference is intended for game developers ears, Nintendo didn't pass the opportunity up to show off some of it's products.

The 3DS was touted as a product that could be seen as a "must-have".  Nintendo President Satoru Iwata confirmed that the major firmware update for the 3DS will be available worldwide in late May and will bring the DSiWare shop, DSiWare Transfers, 3DS eShop, the 3DS web browser, and a new mobile Nintendo Channel of sorts for the 3DS.  He also confirmed that The Legend of Zelda Ocarina of Time 3D will be released in June.

Iwata announced that a new Super Mario game is in developement for the 3DS and is being created by the same team that created Super Mario Galaxy 1 and 2.  The image for the new Mario game had a mysterious tail type thing sticking out of the "o" of "Mario" and that the reason behind it would be announced during this years E3, June 2nd.

Iwata also announced a partnership with Netflix for the 3DS which would bring all of Netflix's current features along with exclusive 3D videos and trailers to the 3DS.

Nintendo and AT&T have also partnered up apparently as more than 10,000 of AT&T's Wi-Fi hot spots will be made available to automatically connect to when you walk into range with your 3DS with spotpass enabled.  Those hot spots can be found everywhere from airports or any other mass transit places to coffee shops and McDonalds.

A new trailer for The Legend of Zelda Skyward Sword was also shown off and it looked pretty sweet.  The graphical style and battle system has been smoothed out making it look as fun as ever.

You can view the Keynote speech here at Nintendo.com

UPDATE!

Here is the new trailer for LoZ:Skyward Sword in YoutubeHD http://www.youtube.com/watch?v=daoOSfetFiI&feature=player_embedded

Here is the Super Mario image http://cache.gawkerassets.com/assets/images/9/2011/03/medium_mario640.jpg