Describes how social-networking sites political campaigns

Social networking sites  are used just like the present President of United States of America.

Explanation:

Social media have become ubiquitous communication channels for candidates during election campaigns. Social media platforms  enable candidates to directly reach out to voters, mobilize supporters, and influence the public agenda. These fundamental changes in political communication therefore present election candidates with a widened range of strategic choices.

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.

well considering i can't see the graph, it's probably prices