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- Hands On How the internet works + (Give participants different characters, su … Give participants different characters, such as: * Users * ISPs * Google * Facebook * Yahoo etc / other companies The aim of the exercise is to “send” and “receive” messages through the chain of participants. A simplified version of this chain is: 1. The sender sending a message on gmail 2. ISP 3. Google 4. ISP 5. Yahoo 6. ISP 7. Receiver getting the message on Yahoo. Get participants to stand in this order, and pass an unencrypted 'message' between them – and make it clear to them that every single one of them is able to read the message that is sent by the user without any trouble at all. Next, get participants to send an encrypted message between them – this time, only the sender and the receiver are able to see the message. Emphasise that the internet is a communication platform and nothing else. There are certain elements you cannot do without; and two basic components that could expose an identity are 'to' and 'from'. Stuck with this model, there are two things that can be done – we can do it be aware of the model that we're using, and we can rely on tools. Also, think about the following aspects: 1)Identity (you can change this) 2)Location (there are tools that can be used) 3)Channel (cannot control this one, very difficult to control). Either they are owned by governments or can be controlled by governments. Which is the lesser evil of the channels that you can choose. Encryption is passing through a channel but it is wrapped in a protocol. 4)The message (metadata is important here, as it might put you at risk)/ Metadata is the information about information. A digital photo has metadata, for example, the date it was taken, the name, the camera that took the photo.the name, the camera that took the photo.)