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.
When youâre done with the text portion of the message, tap the Send Text button, and off it all goes. A simple text message is an SMS (short message service) message. When you add an attachment, youâre sending an MMS (multimedia messaging service) message.