There is an increase of BPA controlled Digital Magazine Editions from 214 to 224 (plus 4,5 %) and still mainly in the field of IT, Tech, Electronics and Engineering
via / more at the CM Magazine website
O.k. this is still, a lot more as the 'full list' of IVW (Germany Circulation Controll) shows for Digital Magazines in the first Quarter 2008 (vs. I. Q. 2007)
P.S.
My collegue and friend Piotr Kubiszewski (e-kiosk Poland) tells me that Digital Editions in Poland work very well, I will ask him to provide some figures her ...