http://news.bbc.co.uk/1/hi/technology/7934443.stm

Time to check updates posted to https://mail.google.com/support/

#Gfail was the top ranking hashcode on Twitter this morning.

http://www.google.com/appsstatus

It could last even 36 hours for some users:

http://mobile.pcworld.com/htmlsite/html_article.php?id=1&CALL_URL=http%3A%2F%2Fwww.pcworld.com%2Fbusinesscenter%2Farticle%2F161024%2Fgmail_down_outage_could_last_36_hours_for_some_people.html