This from Folio:
[US] B-to-B magazine revenue declined more than 6% and ad pages were down more than 8% during the first half, according to … American Business Media. Revenue during the month of June was down 6.59% over the same period last year, according to the report. Ad pages declined 9.36%. [i.e. the decline appears to be accelerating] Twenty of the 21 b-to-b categories tracked by ABM reported declines in ad pages for the first half.
And to prove that Pangloss lives:
“Considering the current state of the economy, b-to-b media has held up well,” said Gordon T. Hughes II, president and CEO of American Business Media.