In episode 108 of Semantic Mastery's weekly Hump Day Hangouts, one viewer discussed some issues he had previewing a Google Plus page in an incognito window.
The exact question was:
I'm new to the IFTTT program and was having issues with Google+ Pages. When using classic it had issues creating the page and would error out when trying to edit it so I decided to just get familiar with the new Google+ Pages.
I'm able to edit the Page when logged in at the url https://about.google.com/USER_ID, however when I try to preview the Page in an incognito window it won't display anything unless I log in. Is this normal for pages or is there a different public URL that I should be using?