New York (CNN Business) Snapchat launched a political ads library as the mobile app becomes a campaign tool for 2020 candidates.

Facebook FB Twitter TWTR The new library , available as a downloadable spreadsheet on Snap's website, makes all political and issue-based ads on Snapchat publicly available -- for the first time.andlaunched its own ad archives last year. Those efforts come in the wake of Russia-linked ads and misinformation campaigns spreading on social media in the 2016 US presidential election and a push by federal lawmakers for more transparency from tech platforms.

Snap's ad archives show the name and address of who paid for the ads and other details including the run date, money spent, ad impressions, and the demographic targeted. Snap created an archive for 2018 ads and has an ongoing one for 2019. They include ads sold and run globally.

Snap SNAP follows Facebook and Twitter in making political ads available in a public database. In March, Facebook made its previously released ad library more easily searchable. People can view the top searches of the week and see a map of spending by region. The site also lets people search by name or topic. Snap's database is less user-friendly -- only available as a downloadable spreadsheet.

In 2017, following Facebook's disclosure of election interference on its platform, Snap conducted an audit of its ad sales during the 2016 U.S. presidential election. Snap did not identify red flags, Recode reported . A Snap spokesperson said at the time all ads purchased during the election were reviewed by "human eyes." A Snap spokesperson told CNN Business its political and issue-based ads are still reviewed by humans. Issue ads include abortion, immigration, the environment, education, discrimination and guns, according to Snap's political ad policies

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