Embodiments include an apparatus, device, system, computer-program product, and method. In an embodiment, a method is provided. The method includes receiving a request for a content of a computer-readable file. The method also includes searching the computer-readable file for the requested content, the computer-readable file including at least one representation of a hand-formed mark distributed to the computer-readable file in response to a machine-distinguishable tag associated with the hand-formed mark. The method further includes outputting the at least one representation of a hand-formed mark.