But the problem is that the Target exclusive can't be sold in digital form!! Those that want the bonus track won't be ehading on over to itunes or amazon.
Most people who buy it from Target, do so by coincidence. People who buy on iTunes, don't know about the bonus tracks.
Her digital sales over the week will slow down a little, while her physical sales will remain somewhat more constant. I see her doing a little more physical than digital in the end; remember her digital sales are supported by like 500k+ preorders.