That’s the title of an article in TabTimes:
The New York Times reports that the Association of Magazine Media (MPA) is to announce a set of voluntary guidelines on tablet publishing later today (Monday). The guidelines are reported to have been drawn up with help from magazine publishers Bonnier, Condé Nast, Forbes, Hearst and Time Inc.
The guidelines are expected to lay out how magazines measure their tablet editions, detail the vocabulary used in those definitions and offer a rough time frame for when reader data will be released. The measures will include the total number of a publication’s digital issues, the number of readers by issue, and are believed to also take into account how much time readers spend with each issue, and the average number of reading sessions per reader, per issue.”