Google Unveils 'iPhone Killer' Nexus One

Google revealed its open-source Android operating system nearly two years ago. Until now, the company has been content to let other companies such as Samsung and Motorola design devices relying on Android.

And those devices thus far have largely been distributed like most other mobile phones, tethered to major wireless carriers which typically require buyers to lock in to contracts in return for discounts on the handsets. But Google now appears to be ready to push its operating system in a new direction while trying to give consumers more flexibility to connect a mobile phone with the wireless carrier of their choice.

The Google briefing is likely to overshadow the opening tomorrow of the world's biggest gadgets show, the Consumer Electronics Show in Las Vegas.

Later this month Apple is expected to launch a tablet-style computer, possibly called the iSlate. Technology experts believe the next three years will provide the key battleground as to who will dominate the handheld gadget market.

As a result of innovations such as the iPhone, fewer devices are needed to perform an array of functions such as listening to music, watching TV, playing games and talking on the phone.