Squeak implementation of Announcements Framework based onVassili Bykov's blog, which is the best documentation of the framework. Note that the link at the end of the page doesn't work. The first two posts can be foundhere.Results of the new AXPerformanceTest>>run which is based on the entry"Counting the Chickens":[N] TriggerEvent AXAnnouncements Ratio 0 380 173 2.197 1 747 267 2.798 3 2583 340 7.597 10 6567 606 10.837 30 17874 1369 13.056 100 57866 4201 13.774(On Pentium-M 1.7GHz with version .26, Squeak 3.9 final)