https://www.upstreamsystems.com/pt-br/press/press-releases/93-of-mobile-transactions-blocked-as-fraudulent-in-2019-says-new-report-on-mobile-ad-fraud-by-upstream/ The leading martech company Mon, 08 May 2023 10:53:47 +0000 hourly 1 https://wordpress.org/?v=5.8.10