AppSalesWidget is a dashboard widget that shows data about app sales from itunesconnect AppStore sales in a tiny widget.
AppSalesWidget displays the total gross income for the last available week in the reports , it shows the number of total paid and free application units sold in that period.
The "Extrapolated" value is a income estimate for a month based on the daily income average.
The values are refreshed every hour , you need to enter your itunes connect username and password first on the back of the widget.
The itunes conect login details are stored on a keychain named AppSalesWidget on your machine and are not stored or sent on the web excepting when the widget locks into itunes connect in the background , which is via a ssl encrypted connection.