I knew it! I have a client that gets some crazy image related traffic and just recently, it peaked and tailed off. This was going on for the better part of a year. The traffic was meaningless to them. At our last review I noticed the new trend and chalked it up to a algo change. Glad to know I was right, well maybe
I wish this said "Ten recent Google search algorithm changes". When I clicked the link, I was anticipating to read an intellectual article related to relatively recent innovations to computational algorithms.