The actuality film is a non-fiction film genre that like the documentary film uses footage of real events, places, and things, yet unlike the documentary is not structured into a larger argument, picture of the phenomenon or coherent whole. In practice, actuality films preceded the emergence of the documentary. During the era of early cinema, actualities—usually lasting no more than a minute or two.
http://davidlavery.net/writings/Nanook_of_the_North.pdf
http://www.nickbroomfield.com/
lifestyle programmes are usualy asperational and focus on accomplishing practical objectives
london marathons are filmed in a documentary style because that is the easiest way to show the LIVE show and the easiest way to get the facts accross. similarly football, basketball and most sports do this.
big bro = fly on the wall
I think that lifesyle programmes are asperational enertainment programmes because the institutions they are usualy on in the uk (bbc, itv) are in direct 'entertainment' competition.
http://en.wikipedia.org/wiki/Airport_(TV_series)
