It’s nearly like “wow, we’ve got competition now, we better do some work on providing a better product”. Thank god for Yahoo!, but if you want to know the changes with Adsense check out Darren’s post at Problogger here.
Of particular note is the launch of the new “Section Targeting” feature that may promise to deliver the end of blog ads on blogs not about blogs (the bane of my Weblog Empire network).