Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Republican vice presidential candidate, U.S. Rep. Paul Ryan (R-WI) clap after posing with campaign staffers for a photo during the final day of the Republican National Convention at the Tampa Bay Times Forum on August 30, 2012 in Tampa, Fla.
Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Republican vice presidential candidate, U.S. Rep. Paul Ryan (R-WI) clap after posing with campaign staffers for a photo during the final day of the Republican National Convention at the Tampa Bay Times Forum on August 30, 2012 in Tampa, Fla. - 

This final note today, just to tee you up for Mitt Romney's acceptance speech tonight. If you're on Twitter, go ahead and search for the hashtag #BelieveInAmerica. It'll have a little 'promoted' arrow next to it. Promoted as in paid for. By whom, you ask?

That'd be #RomneyRyan2012, of course. It's the first time a campaign's paid to have something trend -- that is, win Twitter's internal popularity contest. Which is kind of a big deal. In Twitter-land.

Wanna follow us on Twitter? It's at @MarketplaceAPM.

Follow Kai Ryssdal at @kairyssdal