On Thursday, Farhad Manjoo of Slate vented his spleen about those of us who use two spaces after their full stops, a.k.a. "periods". This seems to have triggered a minor kerfuffle, though not for the first time. While I disagree with a few of his points, the premise is sound. Unfortunately I, like many others, have double-spacing ingrained. This app might help.
EXIF/IPTC/XMP tagging of GPS coordinates, folksonomy tags, and other goodness is a nice idea, but unfortunately, iPhoto and Flickr don't play too well together. Couple this with the fact that any decent support those products now have is not included for photos already imported into them. So, here are some notes resulting from some experimentation, along with the Perl code I wrote along the way.