At 2:43, where Steve falls isn't where he gets up at 2:48.
At 7:08, when Vickie gets out of the cab, the position of the window changes.
At 13:24, position of the items on the desk change.
At 18:46, how Vickie holds the plane ticket changes.
At 1:03:39, the way Steve falls on the bed changes.
At 1:00:06, a camera shadow is on Vickie as she crosses the room.
Early on in the film, when Vicki and Steve first share the taxi, it is reflected in the windscreen of the taxi just as it pulls up to drop Vicki off in the rain.