In a recent interview to Meristation.com (online Spanish magazine), Jim Merrick from NoE has confirmed the chat function in Mario Kart DS:
Quote (translated):
If you don't know the people you are playing with, you won't be able to chat with them, to protect the privacy of the young users. On the other hand, if you play against a friend you'll be able to chat. Every DS has a MAC code, and you'll have to give this code to your friends to be able to play and chat with them.
Some other interesting bits concerning DS and Revolution:
- NoE will set up over 25,000 hotspots across Europe
- The USB Wi-fi adapter will available on Nov 25th at 39.95 €. This adapter will also be compatible with Revolution.
- Revolution will launch worlwide within 14 weeks maximum, that means on the same quarter in every region.
- Multiplayer mode in Revolution will be similar to the NDS: multiple players with only one copy of the game.
- You'll be able to download retro games from different regions (for instance, an European user could download Super Mario RPG for the SNES from the US server).
- When played on Revolution, N64 games will have better framerate but there won't be significant graphical improvements.
- No Revolution games will be shown in 2005.
- There won't be any significant differences in the graphics of Revolution compared to the other systems
Source: http://www.meristation.com/v3/des_articulo.php?pic=NRV&id=cw4364e1acb0d17&&iframe=1
Traduction des points importants, ça donne ça:
-La sortie de la Révolution se fera avec au maximum 14 semaines d'écarts entre les régions
-Le multijoueur révo comme sur DS: Un seul jeu pour jouer en multi !!
-Téléchargements des anciens jeux de n'importe quelle régions 
-Les jeux N64 seront plus fluides que les jeux originaux, mais pas de grosse modifications des graphs
-Aucun jeu Révo ne sera montré en 2005
-Il n'y aura pas de différence signifiante entre les graphs Revolution par rapport aux autres consoles !

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posted the 10/31/2005 at 02:43 PM by
sylfurd
C'qui est cool aussi, ce sera la possibilité de télécharger des Démos Révolution et de télécharger des démos DS directement sur la DS... Très utile et généreux... Comment peut on être pro-Sony et cracher sur Nintendo après ca ???