What exactly does 3G mean How different is the new iPhone 3G from the old iPhone?

Answer:

3G refers to the third generation mobile phone standards and technology. Using 3G technologies cell phone service providers can offer users better and faster internet access, data transfer and voice telephony. With the 3G facility, the iPhone 3G will certainly help you access the internet faster, quicker data transfer and better quality of voice telephony. In addition to the existing features of the old iPhone the new iPhone 3G has features like GPS mapping, App store to download App features and Microsoft exchange Active Sync with push email, contacts and calendar.