Why is Barack Obama’s 2008 presidential campaign considered to be revolutionary?
A.
He used new technologies like websites, social networking, and text messaging to connect with voters.
B.
He used Hollywood directors to film his political commercials.
C.
He was the first candidate to win an endorsement from celebrity Oprah Winfrey, who used her talk show to help him win the election.
D.
He was able to attract the largest crowds in American history at his campaign rallies