The paid feature is in beta with companies like HSBC, and will be available for mobile devices soon.
Republican Michele Bachmann, running for reelection in Minnesota, aims mobile attack ads to voters at the State Fair.
Four-hour event marked the airline's fifth-best revenue day ever. Loopt says the response was the best yet on its geo-social platform.
UPDATED: Florida GOP candidate for governor Rick Scott is expected to announce his lieutenant governor pick via e-mail, promoting the effort using online ads and social media.
Purchase will provide data sources, video measurement technology, and extend comScore's European footprint.
Endorse for a Cause has signed up notable charities and retailers to encourage users to turn online shopping experiences into fundraising via Facebook and Twitter.