Hiya Steven

>In addition to what JVP said, another thing you couldn't do prior to the introduction of accessor events is THIS_ACCESS(), which intercepts every message (property or method) to a particular class.
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>This is phenomenally powerful, and I bet 95% of all Devcon 98 attendees have not thought about this much. Devcon had at most 5% of its content on accessor events. The day after devcon Ken Levy and I gave a high-level course and accessor events took up 25% of our day, which is more in line with the importance of accessor events in the scheme of things.

I had forgotten about THIS_ACCESS. Yeah, that has the potential to be enormously useful. I can think of some useful applications for that in app security, usage logging, and other stuff.