The Obama campaign responds to last night's festivities:

They also put out a web video contesting Romney's speech, point by point:

And to mark the second anniversary of the end of combat operations in Iraq, the campaign released a video featuring pro-Obama sentiment from veterans – it's sure to be a theme at next week's convention:

Not much from the other side today, though the conservative outside group Emergency Committee For Israel did release a love letter to Paul Ryan (ad buy size/scope unknown):

And wannabe swift-boat group OPSEC released a one-minute web ad hitting the president on leaks (ad buy size/scope unknown):

In downticket news, the GOP's Senate candidate in Montana, Denny Rehberg, brings out the twins to link his Democratic opponent, Jon Tester, to Obama:

Lastly, in more general news, Pandora Internet Radio has been a big player in the political ad game this cycle, as Seth Cline explains:

Unlike most Internet display ads, Pandora's ads make impressions upon users who, even if only listening passively, cannot avoid an ad simply by looking away. Pandora also has more than 150 million registered users and in many places is the most listened-to radio station. But perhaps the biggest reason Pandora attracts political types is targeting – political campaigns can customize which listeners hear what ads based on where they live, how old they are, and even what type of music they listen to.

"On Pandora we know exactly who our audience is, so if you're trying to reach moms, the D.C. area, or young people in Ohio, we can do that," says Francisca Fanucchi, a spokeswoman for Pandora. When users sign up for Pandora, they give their ZIP code, gender, date of birth, and E-mail address, all of which are used for targeting purposes, Fanucchi says. This customization makes Pandora ideal for microtargeting, a strategy used by political groups to identify very specific types of potential voters–like "liberal leaning post-graduate singles" or "middle-aged commuters near Philadelphia"–by mining large amounts of data such as credit card records and Internet histories

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