First time seeing a website checking for private mode:
> Hello,
> We noticed you're browsing in private or incognito mode.
> To continue reading this article, please exit incognito mode or log in.
> Why we made this change
> Visitors are allowed 3 free articles per month (without a subscription), and private browsing prevents us from counting how many stories you've read.
> We hope you understand, and consider subscribing for unlimited online access."
> Hello,
> We noticed you're browsing in private or incognito mode.
> To continue reading this article, please exit incognito mode or log in.
> Why we made this change
> Visitors are allowed 3 free articles per month (without a subscription), and private browsing prevents us from counting how many stories you've read.
> We hope you understand, and consider subscribing for unlimited online access."
In case others don't want to leave private mode: http://archive.is/DjsiK