Gmail is not accessible this Friday afternoon as there is a massive outage and worldwide reports of outages. The Google App Status dashboard, but are trying to find out more about the problem. If you are attempting to access our your Google hosted email account this is the reason that you can't get to it. Google+ is also down. Users attempting to access Gmail via external clients using either POP or IMAP protocols also aren’t able to get through to their inboxes.
Gmail went down at approximately 2:00 PM EST and it appears that some people are now starting to be able to access their accounts here around 2:30PM EST.