Totally unrelated to the article, but it’s interesting to see how subtle changes to fonts can make OCR systems completely fail. ABBYY FineReader 10 (which is by far the best OCR program I’ve found), was utterly unable to read any of the bold text on top, or even recognize that it WAS text.
.INTRODUCING THE HP-41C.
A CALCULATOR.
A SYSTEM.
A WHOLE NEW STANDARD.
The new HP-41C has more than any handheld calculator HP has ever offered. More capability, flexibility, ease-of-use features and options: Memory Modules; an “extra smart” Card Reader; a Printer; The Wand — a new input device; and Application Modules.