Answer:
POSITIVE - democratization of the information and the widely spread of communication.
NEGATIVE - the controversy related to the sensationalism and the spread of fake news.
These are some of the POSITIVE and NEGATIVE, or the most common of them.
Explanation:
The popularization of smartphones created the so-called "citizen journalism" which is a good thing because a considerable amount of information is processed speedily, and the democratization of this information because everyone has access to it. However, unfortunately, it's well known that the most part of this news is fake or based on sensationalism, creating a doubt related to "citizen journalism".