Paranormal Activity 2 Teaser Trailer

Watching this teaser trailer you can see that it last for 1 minute 13 seconds. This is not the normal lasting time of a teaser trailer, this is only because it is reviewing the last film of paranormal activity showing the audience what they have already viewed and it shows there reactions to it in the cinema letting the audience remember how much they were taken back by it. Which then moves on to the actual teaser trailer for the second film of paranormal activity, this last for just over 60 seconds.

The trailer sets up the audience as it is is viewed by clips of footage from around the house giving the intermate feeling of the audience watching from first hand, as if they were there viewing in someone's house. This immediately has the audience connected with the film.
The intensity of the silence through the first seconds is unbearable to viewers as there is no typical conventions of scary music, upbeat and tense so as the viewers are becoming evermore focused in on the footage any unexpected sound would come as a shock.
For example - the sound of the dog barking was a shock to the system as it was unexpected. But as a human being any one watching automatically knows when a dog randomly starts barking it is directed at something and is to warn others that something's not right. With this thought in your head you are then expecting to see something unnatural appear.
The unwary colour of mid-night blue gives the illusion of a sleepy sense that no-one is awake so nothing should be going on, which links back to the audience making them question what goes on in there house at the same time of night as they are not awake to see for themselves.

Watching this teaser trailer for a paranormal film I would expect to see more paranormal activity going on, such as things crashing, banging and footsteps. The typical convention of paranormal activity in the home. However I do think that the second advertising teaser trailer is set out like this as it isn't giving much away  so that it draws the audience in and leaves then wanting more.
This teaser trailer is created to meet the viewers expectations of excitement, fear and an adrenaline rush which satisfy their viewing  fixation.