Devices nowadays are the only way we can communicate to people from afar. Imagine if we had no devices at all, you would have to send a letter. If we wanted to write a message to our friend and someone always looks over at what it is then what should you do for them not to find out (Apart from hiding it)? Well I think I would use Morse Code. It may be confusing and look wierd but when you have got all the letters and numbers in your head and work it out, you will get used to it and can use it with your friend none stop (Here is an example of Morse Code)
