[thewordis]

According to another blog post, you can still "switch to it" for the next 30 days. So maybe sign up for paid and then immediately switch to free?

http://googleappsupdates.blogspot.com/2012/12/changes-to-goo...

[grandpoobah]

http://support.google.com/a/bin/answer.py?hl=en&answer=2... I started the trial on or after December 6, 2012. You cannot downgrade to the free edition, but you have the option to purchase the product or to cancel your account.