Bluetooth
Bluetooth is a way of exchanging data wirelessly over short distances, and is an attempt to do away with your computer’s jungle of wiring.
WiFi
Millions of Britons already connect to the internet using WiFi – pronounced ‘why-fy’. It’s also known as ‘wireless networking’ or ‘wireless fidelity’.
Wi-Fi is widely installed in cafes, airports and many other public buildings. If you have seen someone at your local coffee shop surfing the internet on a laptop computer, they are probably using a Wi-Fi network.
SMS
short message (or messaging) service, a system that enables cellular phone uses to send and receive text messages.
a text message that is sent or received using SMS.
you can use this as far as you want but if you go the country it might cost more, it depends how good your signal is.
MMS
multimedia messaging service, a system that enables cellular phones to send and receive pictures
and sound clips as well as text messages. you can use this how far as you want unless your out the country and it will cost more.
3G
(of telephone technology) Third-generation. if you have mobile data it is called 3G and this is were you can go on the internet when your not connected to WIFI. you can use 3G how far as you want it just depends on the mass.
