AllThingsD : If you’ve been having problems receiving your Google email on devices, such as your iPhone or Android tablet, you’re not the only one. A number of users have reported receiving a “mail service imap.gmail.com is not responding” error message when trying to access their accounts via IMAP and not just Apple devices as originally reported.
But you can still go back to the old layout if you prefer.
Overall, this looks like a decent UI update for people that use multiple Google services.
Spam runs rampant on Gmail, but you have options.