On Tuesday night, 69.9 million viewers tuned in to watch the sole vice presidential debate between Joe Biden and Sarah Palin.
The Biden-Palin matchup set a new V.P. debate TV audience record, beating the previous high of 56.7 million viewers set by the debate between Rep. Geraldine Ferraro and then-V.P. George H.W. Bush in 1984*. 
Biden and Palin’s debate also surpassed the first presidential debate between Barack Obama and John McCain, which drew an audience of 52.4 million last Friday night.
During the last presidential election in 2004, the vice presidential debate between V.P. Dick Cheney and Sen. …

The combined overall household rating for Thursday night’s vice presidential debate, in 55 of the 56 local television markets where Nielsen maintains electronic TV meters, was 45.0.
One rating point equals 1% of the total TV audience in a given market.
The Baltimore market had the largest TV audience, with a household rating of 59.1, while the Los Angeles market had the lowest household rating: 34.4.

According to data from across 11 networks, the first presidential debate on September 26 between John McCain and Barack Obama drew 52.4 million viewers.
The TV audience for the first presidential debate of the 2008 election was roughly 16% smaller than the audience for the first debate between President Bush and John Kerry during the 2004 election, which drew 62.5 million viewers on September 30, 2004. See more historical debate ratings.
ABC, CBS, FOX, NBC, Telefutura, Telemundo, BBC-America, CNBC, CNN, FOX  News Channel, and MSNBC aired live coverage of the McCain/Obama debate …

During the first presidential debate on September 26, Barack Obama’s comments on oil independence, health care, the Iraq War, and Al Qaeda drew the most positive responses from a panel of uncommitted, registered voters who allowed CBS and Nielsen to capture their real-time reactions to the first presidential debate Friday night.
As they watched the debate, panel members turned a dial between 0 and 100 to indicate their reactions to the candidates’ discussion. 100 indicates a “very positive” response, 0 corresponds with a “very negative” response, and 50 is neutral. Nielsen …

The combined overall household rating for Friday night’s presidential debate, in 55 of the 56 local television markets where Nielsen maintains electronic TV meters, was 34.7.
One rating point equals 1% of the total TV audience in a given market.
Coverage of the first presidential debate between Barack Obama and John McCain aired on ABC, CBS, NBC, FOX, PBS, CNN, Telemundo, TeleFutura, BBCA, Fox News, MSNBC, and C-Span.
Previously, Nielsen reported that the combined overall household rating for the top 55 local markets was 33.2. That rating excluded households that …

The Barack Obama Campaign generated significant buzz this weekend by announcing Senator Obama’s Vice Presidential selection via SMS text-message. Nielsen estimates that 2.9 million U.S. mobile subscribers received a text message from the Obama campaign over the weekend.
The Vice Presidential message (sent in the late hours of Friday night) is, by many accounts, the single largest mobile marketing event ever in the U.S.
“From a mobile perspective, it makes sense that the campaign chose to use text-messages,” Nic Covey, Director of Insights, Nielsen Mobile, noted. “Today, 116 million U.S. mobile subscribers (52 …