Firesheep comes to webOS. Now, all the Wi-Fi tomfoolery that made you shudder as a Firefox extension can run on your Palm Pre. "A few weeks ago the plugin firesheep has been released for Firefox. With the plugin you can take over websessions from other users and login into their account. I ported the plugin to Palm webOS and I use my Palm Pre to take over a gowalla.com session.
The video shows the takeover of a gowalla session but theoretically it works with all the sites which work with firesheep.