Upstream and PTC launch “100 Mercedes with Era” trivia competition in Poland

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.