A certain kind of advertiser, naturally, likes shows about high-end taste and consumption. Zalaznick’s real feat has been making sure that high-end viewers like the shows, too. Among women ages 18 to 49, Bravo is the fastest growing of the top 20 entertainment cable networks, and its viewers are the most educated and upscale (about a quarter of them make more than $100,000 a year), a demographic that advertisers are desperate to try to reach. Berwick, the general manager, came up with a catchy name for this premium demographic: the affluencers. The network even created for advertisers a one-off magazine called Bravo Affluencer, which depicted on its cover two quintessential affluent influencers: an attractive man and woman, both in their late 20s, shopping bags and P.D.A.’s in hand, passports visible in pockets, dressed casually but stylishly, looking savvy, plugged in, on top of it. The two could easily be the sitcom characters Will and Grace; in fact, Bravo executives actually use the phrase “Will and Grace” to describe a subset of their viewers: urban gay men and single female professionals, two categories of viewers particularly drawn to shows like “Project Runway” and “Top Chef.