AdBrite serving zero ads, according to AdBriteSWe knew things were looking grim in the fatally overcrowded online ad-network space. But this is ridiculous. AdBrite's homepage currently states that the network, favored by smaller publishers, is serving "0 impressions a day on 0 sites." A glitch in its stats mechanism, surely — but also a harbinger of the shakeout to come. We hear persistent rumors of high turnover in the site's sales department.