Wikipedia is just one example of a shift in the way we get information. And, Online news is up to date,but a newspaper is typically a day old. online news is not only cheap and convenient .It also harms nature less. And no energy is needed to transport it.Surprisingly,some people believe these changes are bad. Some links to online information might not be legal. The critics say we cannot trust online information. They say that traditional encyclopedias and newspaper use editors to make sure that information is correct.Nicholas carr claims that our online behavior is changing our brains. He say we are no longer able to think deeply about a single topic for very long. Because,writing Even blogs need the ability to present ideas briefly,clearly,and in an interesting way.In conclusion, Digital encyclopedias such as Wikipedia, there are several strong points. One is ability to search the information quickly. User can get and download information easily by free service.