DS WiFi On The Way
Edge Online reports that Nintendo's DS WiFi service will be launching in Europe as soon as November 25th. From the article: "As explained a few weeks back, Nintendo plans for the system to be safe, secure and easy to access. Players will be able to access the WiFi Connection service via hotspots in their local shop, their internet service at home (shared with the USB dongle) or via public hotspots. Nintendo Europe is still in the process of signing a deal with a telecomms operator to make the latter work, with an official announcement due shortly." Gamasutra has coverage of the WiFi announcement as well, with details on a Nintendo branded adaptor and new wireless titles.
Sgstair from the DS homebrew scene has already cracked this Wifi and is currently working on his demo prjoect to claim the massive DS Wifi bounty we should have it in under a week.
It's interesting that the US release date for Mario Kart is November 14, yet Japan waits till December 8th. Even Europe gets it before Japan... Weird
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At which point a quick sniff and anyone can be on your network.
And then you kick them off and change the SSID when you turn off your game. Then wardrivers will have to 1. predict when you will want to use your DS and 2. sniff every time to get the new SSID.