One advantage of the MetroCard is that ads can be aimed at niche markets; for instance, riders on the No. 7 train, which passes the grounds of the United States Open, received MetroCards with American Express ads featuring famous tennis players.
This has even resulted in a niche industry: for instance, the Barrier Fund, formerly known as the Vice Fund, is a "sin-vestor" mutual fund that exclusively invests in companies that are significantly involved in alcohol, tobacco, gambling, or defense.
This is probably due to the fact that C. glabrata has adapted to these conditions to preferentially colonize some human tissues and not to compete for the same physiological niche with, for instance, C. albicans.
Estimating theoretical carrying capacity of a wide spectrum of species, through environmental niche modeling for instance, and comparing them with the real carrying capacities could highlight the identity of these species at this threshold.
The availability of dating-site software means that it is now easier than ever for individuals, or small companies, to set up their own niche dating sites (for instance, one company runs more than 240 dating sites, including ones for those into Star Trek, raw food or mullet hairstyles).
Yet vehicles combining all three aspects of this renaissance remain a niche market; EVs, for instance, last year accounted for only a little over 300,000 of the 18 million cars and trucks produced in North America.
Which is not to say there are no niche markets here – for instance, children being homeschooled whose parents would like new-self-driven curricula, or people who can't easily leave the house, either because of disabilities, childcare issues or even house arrest (speaking of which: continuing education courses for attorneys or lawyers may be another niche).
It's not just working with the networks you already know about: the Deluxis model could enable niche categories of content — for instance, a 24-hour anime channel or a hard sci-fi channel.
The essayists who do the most disservice to their writer heroes are those who merely pat them into place in their niche in the canon, declaring for instance that Toni Morrison along with Alice Walker and Maya Angelou "remade the American literary landscape" with "language that was often itself a wonder".
Geek Cruises, for instance, a niche cruise company in Palo Alto, Calif., this year is running eight themed cruises, including one for chess players and another for Shakespeare fans.
