I think 3G still a very new technology for many persons.Moreover, most of the people still don't know how to use this 3G function.

3G is stand for third generation of mobile phone standards and technology.Unlike IEEE 802.11 networks, 3G networks are wide area cellular telephone networks which evolved to incorporate high-speed internet access and video telephony.

The most significant feature of 3G mobile technology is that it supports greater numbers of voice and data customers.

So, as a new generation people, we should know these simple knowledge even we didn't use this 3G function.