Overall, it's looking less and less like that Democrats will gain a majority in the Senate, writes Jennifer E. Duffy in the Cook Political Report, adding that it's now appears possible, "for the first time in months", that Republicans will gain a seat or two. The group was reported to have spent $5.4 million on 6,024 ads.
Google and Twitter have introduced similar databases.
An Ad Archive Report launched online gave data including quantities of advertisements and how much money was spent.
Facebook Inc on Tuesday unveiled a searchable database that will provide information on spending by advertisers for political ads and issues of national importance in the run-up to the midterm elections.
Opponents of one of the California ballot measures, Proposition 8, plowed almost $1 million into Facebook ads in an effort to sway the state's voters.More news: Bad Santa! Amazon shares tumble after disappointing Christmas forecast
The company did not immediately respond to a request to comment.
"We've long stood up for our company values and used our tools as a business - including monetary expenditure and our social media presence - to support driving the change we hope to see in the world", Tandan said in an email. Some Democratic strategists, Duffy writes, have conceded that the going has become tougher following Brett Kavanaugh's confirmation to the Supreme Court.
Facebook tells me these videos will make it easier for people to learn about and compare different candidates. "And tens of millions of dollars are flooding into Texas from liberals across the country". It privately requires government-issued identification from political ad buyers but allows them pseudoanonymity in public disclosures through vague names such as Be Registered LLC.
The move comes as social media platforms face the threat of USA regulation over the lack of disclosure on such spending.