New BPA Worldwide rules approved for business and consumer publications

BPA Worldwide, the circulation auditing agency, has announced some new rules that will apply to business and consumer publications and which were approved at its December 2016 meeting.

All  members may choose which issue they wish to have analyzed for the reporting period, but then must not change it for 36 months;
Web traffic metrics are being tweaked, effective June 2017:

Page Impressions