0 Subscribers, OH NOZ!!!
Some of you might also have known about past feedburner blunder when it was not showing subscribers from Google reader and hence was cutting a major amount of subscribers in their chicklet. Now, here is another childish act from them.
By seeing this, all I have to say is ‘Best of luck Feedburner, Google is trying hard to ruin you’ 
I think this happens when the feeeds are being updated…