Are we safe in internet?

How safe is to give your personal information on websites such as facebook, my space and any others? What’s the limit for you?

Nowdays, give your personal information to anyone has become in a controversial act, because we us our ID, telephone numbers, e-mail address, even our fingerprint for differents situations in our daily life, like create a user for an account in internet, but the question is how safe it is?

Currently we use many platforms for show to the people what are we doing in day to day, like facebook, instagram and specifically instagram's stories. This platforms are created for manifest the life we live, how we live and even where we live, using the location in our telephone's GPS. Nevertheless, we actually belive that we live in a sane and perfect world with no bad intentions, but we're wrong.