There's been a lot of emotion-ladened, profanity-ladened commentary on the recent changes to flickr. In the midst of it all, I appreciate this article (in spite of its title):

www.infinitehollywood.com/the-new-flickr-sucks-and-heres-why

And here's another article that presents itself well (including in the title):

http://www.pcadvisor.co.uk/news/internet/3448513/the-new-flickr-goodbye-customers-hello-ads/