The Stop Online Privacy Act (SOPA) is losing momentum in the House and Senate according to the "Washington Post's Wonkblog." The number of lawmakers who oppose the bill has increased as a shift in the bodies of government has occurred since the introduction of the bill. According to the article the acts "were all but inevitable" 6 months ago but the opposition is increasing within the House and Senate. The opposition to SOPA began on media outlets such as Twitter and Reddit. They organized large scale and effective protests which drew the attention of the government.
The White House also is involved in the loss of momentum by SOPA. A statement was released which said “will not support legislation that reduces freedom of expression,
increases cyber security risk, or undermines the dynamic, innovative
global Internet." With the hold up in the legislative branch and open opposition from the executive branch SOPA is slowing in the law making bodies of the U.S.
It is not to say SOPA is dead but it is being reevaluated and the potential for changes is now an option. http://www.washingtonpost.com/blogs/ezra-klein/post/sopa-lawmakers-backing-away-from-online-piracy-bills/2012/01/16/gIQAg7BT3P_blog.html#excerpt