29. All magazines can be classified into one of 12 main content categories, including (among other categories)
newsmagazines and entertainment magazines.
30. Trade publications are also referred to as business publications or business magazines.
31. Newsletters can be big business – these highly specialized, small-circulation publications have high
subscriber fees, ranging up to $4,000 per year.
32. The magazine industry can be considered to have three main functional elements: production, distribution,
and retail.
33. Controlled circulation magazines have high subscription fees so that members of the general public can’t
afford them.
34. Although it is not the only major company to do so, Mediamark Research Inc (MRI) measures print
magazine readership.