Bubble Foundry

This is a big one, so hold tight!

One of the most common tasks in any application, on the web or otherwise, is logging. The list of uses for a good log of events occurring within your application ‘space’ is practically infinite, but at the simplest we can say that a log lets the developer store and then communicate to the user things that have happened and that it lets the developer better understand what is actually happening in his application, particularly when something unexpected or undesirable is occurring!
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The Two Thirds Rule is very simple: for all the people that sign up for a free event, only 2/3 of them will attend. This has been true at all the Lunch 2.0s and BarCamps I organize (BarCamp Amsterdam IV being the exception) and I know it was also true at the TechCrunch/eBuddy Meetup. I also see that this occured at the San Francisco iPhone Dev Camp.

So what? Well, as an organizer it’s frustrating to plan for more people than actually come (food may go wasted, etc), so it’s good to be able to know how many people will really attend. Some people figure it’s worth charging a small but noticable amount (say €10) to make people feel committed. I haven’t done this yet, but my hunch is it would increase your yield to something like 3/4 or 4/5 of signups.