The most recent version of Apple’s Safari browser, which began rolling out to users in late September, prevents sites from detecting when Safari visitors have the browser's private browsing mode enabled. Private browsing, like incognito mode, temporarily prevents publishers from reading or writing cookies to a phone or computer, which makes it impossible for a paywall to detect how much content a reader has consumed, thereby rendering the meter useless. Read more below.

• Publishers discovered a new, Apple-shaped hole in their metered paywalls.
• Democratic presidential candidate Elizabeth Warren has spurred a conversation on platforms’ responsibility in moderating and reviewing advertising content by running a test ad to question Facebook’s own policies.
• The Athletic is quickly racking up subscribers, recently crossing the 600,000 mark. Co-founder Adam Hansmann discusses the business.
• Publishers are increasingly focused on quality in their email lists. That means taking on the unenviable, some say nearly hopeless, task of reengaging subscribers who have gone dark.