Take one minute of video. Look at the file size. Now how many of these 1 minute files can you fit onto an 8GB card in your particular format and camera/device.
SMS stands for Short Message Service, which is the formal name for text messaging. It's a way to send short, text-only messages from one phone to another. These messages are usually sent over a cellular data network. That's not always true, though, as in the case of iMessage below.
In the phrase SMS messaging, SMS stands for short message service.. SMS is a means of sending text between mobile phones, and it can also be used to send text from a computer or tablet to a mobile phone. Only 160 characters are allowed in an SMS message. Full Answer >.