It is one of the few mediums that has not fallen prey to corporate monopoly. Choice is no longer limited to geographical, cultural, or financial constraints. However, that does not mean that a certain vigilance should not be maintained. Participants in the Internet community will not simply step aside and let the corporate media monopolies take over. And look around you.
People have to think critically.
They have to stop taking things at face value. Seek out other opinions. When reading the mainstream, believe the opposite, you will probably come closer to the truth that way. Ditto for being involved in politics. One continually runs into a wall of ignorance or indifference.