1. Temperance Social network use, but should It should not be too long because it will probably damage your eyes and recognize Social Network use, tuan moderately. Not so much, not too little
1. moderate to moderately Social network but should not take too long. This may impair vision. Century and known as the Social Network in moderation. Not much, not too little
1. In moderation.Use Social network but fairly shouldn"t use too long, because there may be an eyesore, and ตวร used Social Network moderately. More or less too.