In some cases advertisements are placed within television shows in places like billboards and similar places in an almost subconcouse way for us to see it, so even if we do it know its there we would still have it in the back of our minds which at somepoint think about it a certain points.
The adverntisements are placed in other places such as tv shirts or in places just like bike or car racing and even in the olympics people are wearing adventisements from their sponsers and people who pay others for their logo's on the shirts for passers by to see.
in this film it is shown very openly directly to the people watching as a joke which would be very entertaining

in this case mc donalds is shown as more futureistic due to the time of the film being placed which is in the future, in the film the uniforms for mc donalds is more sexual and shown as a female place of work to which it may seem like there is a male based future.

This clip of the popular film fifth element was used to give the targeted male viewers sex appeals aswell as mixing it with a popular brand which the company most proberly used as an sponser for the film it is also fiven a future aspect of the diffrent colored hair the hats and even the outfist they work in.
the angry birds has been put on websites such as facebook and google so they can promote the game to be bought and also buying add ons within the game such as power ups exspantions and the game its self for devices such as ipod touches phones and tablets this could also bring more people to these websites just to play that game itselfs.