Twitter and Facebook launch transparency tools for ads

[ad_1] <img src = "http://www.brasil247.com/images/cache/770×515/crop/images%7Ccms-image-000596053.jpg" alt = " Twitter and Facebook logos in the showcase at Malaga, Spain 04/06/2018 REUTERS / Jon Nazca (photo 🙂 "/> This picture is also available in: …

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