Personal Information on Internet

I don´t think we have to talk about security, is a matter of prudence. If you want all the people knowing about your life you have to know that you chouse that people, you acept the therms. When people talk about the political use of information, like the things they can use for adverticement about your likes and things you see, that is too a matter of therms. Now we have an infinite number of possibilities thanks to the internet and social networks, and to enjoy them you have to be part of the system, of the network. If you don´t like it, you are free of leave that possibilities.