More Than 300 Million Users with Free Mobile Internet Access In 2020 Via Upstream Media Links 10 operators offer more than 41 million hours of free browsing in emerging markets via Upstream’s free ad-funded mobile portal – up to 97% user penetration Zero-D boosts data upselling by as much as 19% - 4.2 billion ad impressions to users who would otherwise be offline More Than 300 Million Users with Free Mobile Internet Access In 2020 Via Upstream London, March 2nd, 2021 – 314 million mobile users in eight countries enjoyed over 3.4 petabytes of free mobile data during 2020 via Upstream’s Zero-D portal. Mobile operators like Vivo in Brazil and Vodacom in South Africa, having deployed Zero-D, offered 41 million hours of browsing or 6.9 million hours of video streaming[1] to their users during a year when connectivity was crucial for people to stay informed, entertained and in touch with their loved ones.