Question: Junket Whore and Diana's Hair Ego, share which characteristics?

Context paragraphs:
Regions of Tasmania: In the Australian state of Tasmania, there are many areas which are commonly known by regional names.  Regions are areas that share similar characteristics.  These characteristics may be natural such as the Furneaux Islands, the coastline, or the Central Highlands.  Alternatively, the characteristics may be cultural, such as a viticulture land use.  Tasmania is divided by numerous regional boundaries, based on different characteristics.  In many cases boundaries defined by different government agencies are coterminous and are often cited by the Australian and local media that tend to distinguish between North West, West Coast, Southern, and East Coast.

Hair care: Hair care is an overall term for hygiene and cosmetology involving the hair which grows from the human scalp, and to a lesser extent facial, pubic and other body hair.  Hair care routines differ according to an individual's culture and the physical characteristics of one's hair.  Hair may be colored, trimmed, shaved, plucked, or otherwise removed with treatments such as waxing, sugaring, and threading.  Hair care services are offered in salons, barbershops, and day spas, and products are available commercially for home use.  Laser hair removal and electrolysis are also available, though these are provided (in the US) by licensed professionals in medical offices or speciality spas.

Regions of New South Wales: In the state of New South Wales, Australia, there are many areas which are commonly known by regional names.  Regions are areas that share similar characteristics.  These characteristics may be natural such as the Murray River, the coastline, or the Snowy Mountains.  Alternatively, the characteristics may be cultural, such as a viticulture land use.  New South Wales is divided by numerous regional boundaries, based on different characteristics.  In many cases boundaries defined by different agencies are coterminous.

DiAna DiAna: DiAna DiAna is an American hairdresser and HIV/AIDS activist from Columbia, South Carolina.  Her work in the field of HIV/AIDS and basic sex education was featured in the 1989 documentary film "Diana's Hair Ego".

Filter theory (sociology): Filter theory is a sociological theory concerning dating and mate selection.  It proposes that social structure limits the number of eligible candidates for a mate.  Most often, this takes place due to homogamy, as people seek to date and marry only those similar to them (characteristics that are often taken into account are age, race, social status and religion).  Homogamy is the idea of marriage between spouses who share similar characteristics, where heterogamy denotes marriage between spouses of different characteristics.  The idea of "opposites attract: is heterogamous as well as the idea that one spouse has complementing, not similar characteristics to the other.

Hair clay: Hair Clay, also known as Clay on the hair industry, is a hair product that has very similar characteristics to hair wax.  Clay also makes the hair soft.  It also disentangles the hair.  Clay has a little to no shine, meaning a stylist can achieve a very natural and dull look.

Junket Whore: Junket Whore is a 1998 documentary film directed by Debbie Melnyk and hosted by Lauren Hutton.  This revealing documentary explores the relationship between Hollywood’s publicists and the entertainment journalists.

Diana's Hair Ego: Diana's Hair Ego is an American documentary film about AIDS and one unconventional woman's efforts to educate her small, Southern community.  While documenting an AIDS quarantine controversy in South Carolina with DIVA TV (Damned Interfering Video Activist TV), filmmaker Ellen Spiro met DiAna DiAna, a local hairdresser who transformed her beauty parlor into a center for AIDS and safe sex information.

Homology (psychology): Homology in psychology, as in biology, refers to a relationship between characteristics that reflects the characteristics' origins in either evolution or development.  Homologous behaviors can theoretically be of at least two different varieties.  As with homologous anatomical characteristics, behaviors present in different species can be considered homologous if they are likely present in those species because the behaviors were present in a common ancestor of the two species.  Alternatively, in much the same way as reproductive structures (e.g., the penis and the clitoris) are considered homologous because they share a common origin in embryonic tissues, behaviors—or the neural substrates associated with those behaviors—can also be considered homologous if they share common origins in development.

Regions of South Australia: In South Australia, one of the states of Australia, there are many areas which are commonly known by regional names.  Regions are areas that share similar characteristics.  These characteristics may be natural such as the Murray River, the coastline, desert or mountains.  Alternatively, the characteristics may be cultural, such as common land use.  South Australia is divided by numerous sets of regional boundaries, based on different characteristics.  In many cases boundaries defined by different agencies are coterminous.

Supporting paragraphs: Junket Whore Diana's Hair Ego
Answer: documentary film