Behold, the T-Mobile G1 Smart Phone

NEW YORK—T-Mobile and Google launched the G1 smart phone Sept. 23. The G1, loaded with a slideout keyboard, trackball and touchscreen wowed some members and disappointed others who looked at the device as a newer version of the Sidekick. Here are pictures from the event, including the surprise guests Google co-founders Larry Page and Sergey Brin, pictures from the demo, and live floor shots.