Experience shows that it can take several weeks for the Mozilla Addons site to work through the queue of submissions until these have been accepted (there are currently 250 add-ons awaiting review). Until then, you might want to download whatmon directly from here. Oh, and I’ve spruced up the documentation a bit and have added another sample. Do tell me about cool things you do with whatmon: I’d be very interested to hear what you use it for.