Technology is wonderful when it works
When you send an SMS from your cellphone, the carrier company is making pure profit from you. The SMS travels in the carrier identifier signal that has to be present for a cellphone to talk to a cell tower. It costs the network nothing because without the signal, there's no cell network. ie. the presence of your cellphone on a tower means you can text and it costs nobody anything. The carriers don't want you to know this which is why they charge extortionate rates for SMS plans - it's pure profit for them. However you can get around this with device-to-device messaging. If you have a Blackberry (I feel sorry for you) you have BBM - Blackberry Messenger. It's a texting service that uses your data plan to send messages directly to a device using the device's unique ID instead of your cellphone number. Apple has a similar thing now - iMessage works in the same way, device-to-device. It's why you can now text someone with an iPod from your iPhone (as long as the rec...