Is YouTube down?
Numerous users have been reporting YouTube problems.
More specifically, the YouTube homepage delivers the message '"Http/1.1 Service Unavailable" for some, and Mashable notes that others have had problems viewing embedded YouTube videos:
We've also noticed that many videos embedded on third-party sites like Mashable appear to be failing to load, though both problems seem to resolve themselves after a number of browser refreshes.
We'll update when more information is available. Follow the Twitter feed below for real-time updates on YouTube problems.