Is iCal a forward-thinking blogtool for meatspace?

So last night, while as glued to Forever Young as you legitimately can be, I had a long involved AIM-conversation with Ian Betteridge about whether or not iCal is a meatspace blogging tool. His argument was that the sharing of information about oneself freely on the web constituted weblog-like behaviour. But I maintain that the publishing of calendars is a very distinct creature, as separate from weblogs as a project plan is from a teenage confessional…