The nature of political discourse online tends to be passionate, if not extreme and even vitriolic. That's playing out in Promo Trend-inspired tweets from Mitt Romney, Barack Obama and others.
Americans for Prosperity recently bought ads from Pandora, Google and AOL, and purchased today's Twitter Promoted Trend.
The Republican National Committee appears to have removed anti-Romney tweets from its site that were featured there yesterday.
Like the Romney camp last week, the RNC bought today's Promoted Trend on Twitter, as the Obama camp aims for Democratic Convention fundraising via homepage ads on CharlotteObserver.com.
Candidate campaigns are required to keep a distance from outside groups backing them but they sometimes work with the same companies, and coordination is difficult to prove.
Todd Akin's campaign aims to generate fundraising support following calls for him to drop out of the Missouri Senate race after his comment about rape.
Original ClickZ Politics analysis shows the Obama campaign continues widening its lead in digital ad spending over Romney.
Video ad firm Say Media updated its 2011 study with new findings that also showed smartphone usage is up in Florida and Ohio battlegrounds.
SocialxDesign is starting off with one of the biggest brand name clients in the world: The White House.
People in six swing states were more likely to visit Romney's site in July; Obama had strength in five.