When the reading brain skims like this, it reduces time allocated to deep reading processes. In other words, we don’t have time to grasp complexity, to understand another’s feelings, to perceive beauty, and to create thoughts of the reader’s own.
When reading so quick, the brain has little time to process all of the information that was there. By doing this it will affect the way you may think on a specific topic as you may not be able to cover everything in that text.
Katzir’s research has found that the negative effects of screen reading can appear as early as fourth and fifth grade -
Kids growing up are not reading the usual hard-copy children books that we all used to read. Now they just use an iPad or some sort of technology to read and do other things that play a bad role on how their speech will turn out in the future.
Ziming Liu from San Jose State University has conducted a series of studies which indicate that the “new norm” in reading is skimming, with word-spotting and browsing through the text.
Nowadays people use this "skimming" method to read a lot of texts faster and it is okay to read this way for certain activites but most of the time when people read this way they do not really collect any of the information.