I wrote about this a while ago, Apple currently does not offer any in itunes analytics, for instance, how many people view your app page, how long they spend,

I wrote about this a while ago, Apple currently does not offer any in itunes analytics, for instance, how many people view your app page, how long they spend, do they click the images, do they click buy, if they click buy, do they complete the purchase etc. I'm sure they are working on it...aren't they?