Upstream, a world leader in mobile marketing, and Polska Telefonia Cyfrowa (PTC) – the carrier behind the popular Era, Tak Tak and Heyah brands – have launched on March 30th an exciting new skill-based trivia competition in Poland. In the “100 Mercedes with ERA!” competition, participants receive trivia questions of varying difficulty and gather points within the week. At the end of every week, the 7 users with the most points win a brand new Mercedes C-Class C180K. Daily cash prizes and other small prizes, such as downloadable songs, ring-back tones and talk-time packages, make every participant a winner! For more info, visit www.100mercedes.pl.
July 11, 2025
Intersel Acquires Upstream: Salim Khoury Appointed Executive ChairmanUpstream announces its acquisition by global telecom investor Intersel, marking a pivotal moment in its growth journey. Salim Khoury is appointed Executive Chairman to lead the company into a new era of global expansion and digital innovation.
