In the second time in 5 days Feedburner seems to have lost count of Google Reader subscribers. The first time this happened on 4th November which Darren had reported. Looking at my feed counter today I a mighty slump. Thanks to Darren I could see the cause immediately.
This has happened 2nd time in 5 days. Is something wrong with Google Reader count or is Google performing some upgrades under the hood. Only next few days will confirm what is really happening.
If you see a huge slump in your subscriber count do not panic it is just a temporary issue and I guess should be fixed shortly.