New York—Ad pages in b-to-b publications declined 2.82% in April, while ad revenue fell 1.11%, according to the latest Business Information Network report from American Business Media. Year-to-date, ad pages were down 2.47% from the first four months of last year, while ad revenue declined 0.81%. The hardest-hit categories in April were computing, software, telecommunications (down 20.57% in ad pages and down 22.2% in ad revenue) and automotive (down 16.2% in ad pages and down 2% in ad revenue). Categories that showed gains in April included pharmaceuticals (up 42.8% in ad pages and 63.3% in ad revenue) and architecture, design, lighting (up 17.1% in ad ages and 21.4% in ad revenue). The BIN report is based on data from IMS/The Auditor and PERQ/HCI for health care figures.