Blog posts, corrections, RSS & Feedburner - How does it work?

I sometimes (often) make mistakes in my blog posts. After I publish them, I notice the errors and I open up the post and fix them. I've often wondered whether after hitting the publish button, will my corrections show up on every instance of my post or not?

For instance, I use feedburner to publish my posts. I've learned that feedburner sends out the posts at the end of the day (maybe Califorinia time). So as long as I make corrections during the day, the errors don't show up in the versions that get emailed out.

But, my posts also get published thru feedburner to countless readers thru RSS. And this blog is also hooked up to blogcatalog.. I just looked at my posts insider blogcatalog and my post from about 15 minutes ago is not yet there. But, once it appears there, if I make a change in the original, will it get fixed there?

I will now run an experiment. I am going to go back to my post of Tuesday May 27th, 2008 and I'll change the ending:
from: Dear reader, what would you do?
to: Dear readers, what would you do? I'm willing to pay for a real answer to this question. Contact me for details.

And I'll see whether the version in blogcatalog changes. Also whether the version in my google reader changes



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