How to be a responsible netizen?

All of us knew how the Internet spread worldwide. We knew some words and communication became easier. We all know that the Internet also helps us in everything we need, but how are we sure if the information that was given by the Internet is TRUE? How are we going to be responsible for it? How are we going to deal with some situations like this? Be SMART enough to know that all the informations in the Internet are true and some are NOT. You/we should know how to be a responsible netizen. Here are some tips on how to be a responsible netizen.