Upstream, a world leader in mobile marketing, and TELEFÓNICA O2 Czech Republic have launched in November a unique mobile trivia competition in the Czech Republic. This competition is unique as it relies totally on the skill and knowledge of participants with no element of luck involved. “Hrajte s O2 o 100 BMW” gives participants the opportunity to test their trivia knowledge against Upstream’s extensive trivia database; for 100 days, the best contestant every day wins a new BMW Series 1. The competition has already been met with amazing response by the Czech public.
July 31, 2026
Upstream helps Mobile Network Operators adapt to Chrome’s new HTTPS eraUpstream has published a new white paper titled “Can Header Enrichment Survive Chrome’s HTTPS Era?”, in which it analyzes how Chrome’s HTTPS-only enforcement reshapes the way mobile subscribers are identified and, at the same time, presents an innovative, deployment-ready solution.
