T-Mobile’s G1 is the first phone to run Google’s open-source operating system, Android. It can download third-party applications from the Android Market, Google’s counterpart to Apple’s iPhone App Store, and its operating system links directly to many of Google’s online services, including e-mail, calendar, and maps. The G1 also features a touch screen, GPS, Wi-Fi, a camera, and MP3-playing software.
Product: T-Mobile G1
Cost: $179 to $399 (depending on service contract)
Companies: Google and T-Mobile