Continuity mistake: In the dream-café Ariadne raises her arm to scratch her head, but in the next angle the hand is down.
Continuity mistake: In the café, Ariadne lifts her cup to take a drink and in the very next shot she is putting the cup back down.
Continuity mistake: In the scene where Fischer is talking to Browning by his father's bed, in one shot, Fischer changes from looking straight at Browning to looking down at the ground.
Continuity mistake: When Cobb tells Ariadne to draw a maze, she turns her head to the left. A frame later the head is up and she is turning it again.
Continuity mistake: When Cobb hands Fischer the gun in the bathroom, the gun switches hands for one shot.
Continuity mistake: When Adriadne and Cobb sit down, a newspaper stand explodes, but in the next shot it's still standing.
Continuity mistake: As they are sitting around, planning the next job, Cobb is wearing a blue shirt, of which he rolls up the right sleeve repeatedly.
Continuity mistake: When Arthur is shot in the head, at first there's no bullet hole in his head, but in the next shot there is.
Continuity mistake: In the scene on the airplane when they are setting up to go under, Yusuf takes a sip from a wine glass and goes to set it down. Then in the shot immediately following he no longer has a wine glass in his hand. Instead he is buckling his seat belt. (01:03:50)
Continuity mistake: As Cobb is explaining to Ariadne the importance of imagining new places to create dreams, the positions of his head, arms and hands change between shots.
Chosen answer: The details are never explained in the depth, but all the dreamers are connected via the briefcase, so it seems likely that the briefcase acts in some way as a networking hub for them to share the dreamspace.
Tailkinker ★