The iTunes and App Stores are both experiencing sporadic outages right now. Are you having any trouble?
From Apple's system status dashboard:
Some users are affected - iTunes Store. Users may be unable to make purchases in the iTunes Store, Mac App Store, and App Store.
The outage has been ongoing since just after 3:00 p.m. ET, and Apple is working on a fix.
Have you been impacted by this outage? Let us know in the comments, and we'll let you know when something changes.