Kimmo Huosionmaa There are many things, what we should beware in the Net, and one is using WhatsApp in some freak games. That solution would give exact information about the user to the opposite side on the Internet. This, of course, allows, that the trackers can find out the home of the person, and in fact, if they get an allowance to use the account of some mobile device, or slip in the pocket or handbag some cheap mobile telephone, whose persons can track their target in anywhere that person goes. This makes those things a very big risk. But there are other things, what people should warn, and one is that if the social media solution would delete the messages after the person has read it, that doesn't mean that those messages would not have existed. Those messages can be saved in the server of the service provider, and then they can find them in there if they want. And another thing is, that storing the messages would not need any technical knowledge. Only the photograph