Some embodiments include apparatus, systems, and methods having a base, a first die, a second arranged in a stacked with the first die and the base, and a structure located in the stack and outside at least one of the first and second dice and configured to transfer signals between the base and at least one of the first and second dice. The first and second arms are compressible towards one another as the sleeve is introduced into the adapter pack. The method further includes selecting a payment structure from a set of available payment structures; modifying the payment slip title to include information corresponding to the selected payment structure; releasing the product title to the buyer; and transmitting the payment amount to the merchant. A user or test observer is then prompted to identify which quadrant of the first phantom image contains a group of pixels from the LCD phantom.