New York—B-to-b ad pages increased 4.6% in October, compared with October 2003, according to the Business Information Network report released by American Business Media. Ad revenue was up 8.1% for October, according to BIN. Year-to-date pages were up 0.9% and ad spending was up 3.3%. The automotive category led ad page growth in October with a 15.2% increase. The services, direct response and classified category posted the largest decline, with a falloff of 7.9%.