You can use your Google Account to sign in to the Learn Center at http://learn.doubleclick.com.
Once you update your DoubleClick product Account to Google, you can sign in to the Learn Center by visiting http://learn.doubleclick.com.
If you have any issues signing in to the Learn Center with your Google Account, please email email@example.com with your name, your company name, your user name or email address, a description of the problem, and a screen shot, if appropriate.
Important: We strongly discourage you from sharing your Google Account with other users of your DoubleClick product. Learn why.