Hidden Secret About Pages in Google Chrome:
There are lots of secret about pages in Google Chrome which you access by typing their URL in addressbar and press Enter. All known About pages atm are as following:

 about:memory
 about:stats
 about:network
 about:internets
 about:histograms
 about:histograms/Loop
 about:dns
 about:cache
 about:plugins
 about:version
 about:crash
 about:%
 about:ipc
 about:shorthang
 about:hang
 about:objects
 about:chrome-nativeui
 view-cache:[Full_URL_of_Website]
 view-source:[Full_URL_of_Website]

And at last, in Google Chrome, pressing Ctrl+Shift+N will open new incognito window. Pages you view in this window won't appear in your browser history or search history, and they won't leave other traces, like cookies, on your computer after you close the incognito window. Any files you download or bookmarks you create will be preserved, however.

Learn more about incognito browsing.