FYI:
Our server which the domain www.skritter.com is pointed to is scheduled for maintenance on Thursday, May 20, 2010 between 22:00 and 23:00 EST (Friday, May 21, 2010 between 02:00 and 03:00 UTC). The maintenance should go on no longer than 15 minutes.
www.skritter.cn will still be available.