Hmm, nice idea and obviously built to last but it assumes that the recipient will even think to try and find a way to read these gadgets. Still, once they open the doors it could be a great case of "told you so".
Incidentally I not only have some 8 tracks but a machine that records them as well! Many years ago I used it as a jingle player for student radio, though cue-ing tracks was fun!
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.