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Login to gmail. Now go to docs.google.com in a new incognito tab and all your docs will be visible.

• ptaipale 11y ago
  Or login to Gmail. Open another tab to read Hacker news, not logging in. Close your incognito Gmail tab. Read HN. Forget that you ever were in Gmail. Then leave HN and go to some other, completely different website that allows Google login. You'll get in there without another Google login; the incognito session remembers you.
• newjersey 11y ago
  How would you implement it? Make each new tab a separate profile that we destruct on close?
  • creshal 11y ago
    You could make an argument whether you want one session per tab or one per window, but yes. Sharing state between "incognito" instances is both counterintuitive and potentially harmful.
    • newjersey 11y ago
      I think the current approach is that there is just one regular and one incognito instance. So as long as any incognito tab is alive, your session is potentially alive as well. This allows us to move tabs across Windows. How would we do that with one session per tab or per window? Also what happens when user opens link in new incognito window?
• oneeyedpigeon 11y ago
  OK, you specifically meant subdomains of google.com. That really wasn't clear!