Here is an example summary of this reading selection:

In “Internet Addiction,” Greg Beato pokes fun at overblown concerns about internet addiction, calling attention to expensive treatments and dire predictions from the 1990s, when the internet was too slow to do much harm. But he also seems to recognize that, while the likelihood of serious social problems resulting from internet addiction are unlikely, some form of internet obsession could affect society because of the number of people spending so much of their lives online.

Your summary will differ from this one in the way it is written, but it should include roughly the same information.