Christopher Blizzard

Last night I discovered the hard way that flickr uses slightly different GUIDs in its RSS and Atom feeds for the same entries.  The format looks something like this in the Atom feed:
tag:flickr.com,2005:/photo/12345678
And in the RSS2 feed:
tag:flickr.com,2004:/photo/12345678
Notice the difference?  The photo ID is the same, the tag (a year, probably?) is slightly different.
I converted everyone’s [...]