As one form becomes useless, a new one rises from the ashes. As a new media makes itself known, the ad-men come running. Ads have been a part of the Journal for some time. Hell, it's ads that started the Journal, back when we were The Nostalgia Journal. Then, no more than a CBG -styled adzine, the Journal relied on the money that advertising provided simply to stay afloat.
Ads are, quite literally, everywhere.