Internet and publicity with given hands

The publicity have become important somewhat for any company! With the objective of reach the maximum number of possible costumers, the companies use internet to show the products. They use blogs of how to make money to publicity their companies. Even those blogs that are only read by you!! (1 to 2 persons maximum) They do publicity and stay happy, I let them do it , I receive some changes (there are just changes) and I'm happy.