Just press the "Email" button in Google Reader, type your "comment" into the mail-body and send this mail to your "Mail to Blogger" Address (how-to-enable: http://help.blogger.com/bin/answer.py?hl=en&answer=41452).
Done.
Proof: This post!
Sent to you by Ralf via Google Reader:
via TechCrunch by Duncan Riley on 9/11/07
....Its great stuff from the Reader team, and kudos for their ongoing innovation of a great service; but there was one negative: Google is interested in allowing users to comment on items they share, but this currently isn't a priority.
Please Google, drop the idea altogether.
We all know about the constant battles Google has had with newspapers over Google News, and what seems by some reports so far to be a failed strategy of allowing comments on News Feeds. With the exception of the licensed wire stories which are now reproduced in full, those news stories are always presented only with a small fraction of the story itself, the equivalent to a part RSS feed; ultimately readers must visit those news sites to get the full story and the use of data in this way is usually argued to be fair use.
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