Google officially launches Nexus One mobile smartphone which will go against Apple's iPhone.

Nexus One Features:
- 3.7-inch AMOLED touchscreen
- 800 x 480 pixels resolution
- 5 megapixel with flash
- Video captured at 720x480 pixels at 20 fps+
- Wi-Fi (802.11b/g/n)
- Bluetooth 2.1
- GSM/EDGE (850, 900, 1800, 1900 MHz)
- HSDPA 7.2Mbps
- Android 2.1 Operating system
- Tri-color clickable trackball
- 3.5mm stereo headphone jack
- active noise cancellation
- Speech to text
- Micro SD slot expandable to 32 GB