See here: http://www.livejournal.com/legal/principles.bml

Notice how "Stay Advertisement Free... we promise to never offer advertising space in our service or on our pages..." changed to the much more formal and significantly less friendly "Avoid Spam... when you sign up for the Service, we understand that to mean you want to communicate with us and hear from us about our products and services..."

Slippery slope indeed. Livejournal, take a look back up that slope to where you started. It's a nice place up there.