In an effort to stop using google calendar I exported all the events I created since the first day I started using it (this was 4 years ago).
So the last 4 years I have created 2256 events.
That is about 1.54520547945 events per day... Essentially meaning that google is (partly) aware of about one "important" thing per day in my life this last 4 years (not including e-mail parsers).
To be honest I remember myself using it even earlier but probably at some point I trimmed my history (I would be really impressed if this was automatically performed by google).
That's it, hope some of you found it interesting...