By means of very simple software tools, the users of these blogs can publish in Internet their personal reflections over which he happens in the world, over the subjects that interest to them or, even, to develop an own journalistic system analyzing the news that happen to in his enrno and publishing true alternative newspapers. There is no the minor I show of doubt that this publication form has begun to revolutionize the diffusion of the present time information, since the days have finished in what we only could accede to how many average ones to know few versions the reality. Now we can accede to practically limitless versions of the reality. This causes a series of complications and complexities, but it is that the world in what we lived is more and more complex and we must ourselves accustom and adapt to us. Evidently, the defenders of the traditional model will say to us that many of the things that circulate in Internet are false, interested, distorsionantes of the reality, little contrasted or manipulating. And they are right. But to only he needs us to ignite the television, to oir the radio or to read any traditional newspaper to know that in these average this he does not happen, right?.