InformatiQ

Google has added IMAP for Gmail. Starting 26 Oct, IMAP will be rolled out
to Gmail accounts.

-- from gmail what's new --

Just launched!

Free IMAP

Sync your inbox across devices instantly and automatically. Whether you read or write your email on your phone or on your desktop, changes you make to Gmail will be seen from anywhere you access your inbox. Don't fret if you don't see "IMAP Access" yet under the Settings menu. We're rolling it out to everyone over the next few days.
-- end --