| 摘要 |
<p>An article (1) includes a substrate (5) having indicia (6) printed thereon and an electronic device (2) having at least one input device (3) and at least one output device (4). The indicia (6) include one or more directions or questions (61) in response to which a user provides input to the electronic device via the at least one input device. The indicia further include a link (62) to a source of additional directions or questions.</p> |
