Further proof that filters don't work

Last week I was at the offices of Lincoln Public Schools to present on LibraryThing. During some free time in the lab I wanted to catch up with some online articles I'd been meaning to read. I fired up del.icio.us and started clicking on some recently bookmarked sites. One was titled 60 Photography Links You Can’t Live Without. Here's what I was presented with:

Turns out any site, in this case the blog "Camera Porn" is blocked as being porn. Check the link, it's not porn in the traditional vein. Good to know that these sites are vetted by real live people... Not! I'm guessing science students won't be allowed to look at Space Porn or Astronomy Porn either.