"This is a real clip in ’Game of Thrones’ - a Starbucks cup - in the show.
Starbucks got an estimated $2.3 billion in free advertising from ‘Game of Thrones’ because of this. It was an out-of-place cup.
HBO is trying to remove the cup from the show. This is season 8, episode 4 (The Last of the Starks)..."