On news that Delicious is on Yahoo's sunset list, thousands of people decided it was time to take a look at simplified competitor Pinboard. The much lower blue area is normal activity for the Pinboard servers, during a three-day period. The green represents activity after the Yahoo leak.
As a Delicious user for years, I really hope sunset means move to another company rather than shutdown.
Or maybe I'll start bookmarking on my desktop via browser. Gasp. I don't want to think about it. Oh the horror. The horror.